325775

325775 is a number that belongs to the set of natural numbers. It is an odd number, meaning it is not divisible by 2 without leaving a remainder. The number 325775 can be expressed as a sum of consecutive natural numbers starting from 1, specifically 325775 = 1 + 2 + ... + 651. This is because 325775 is the 651st triangular number, a number that can be represented as the sum of the first n natural numbers.

In terms of its divisors, 325775 is a composite number, meaning it has factors other than 1 and itself. Its prime factorization is 3 × 5 × 7 × 11 × 13 × 17 × 19, which indicates that it is the product of these prime numbers. The sum of its digits is 3 + 2 + 5 + 7 + 7 + 5 = 30, which is a multiple of 3, confirming that 325775 is divisible by 3.

325775 is not a perfect square, meaning it cannot be expressed as the square of an integer. It is, however, a pentagonal number, the 1275th in the sequence of pentagonal numbers. Pentagonal numbers are given by the formula Pn = n(3n - 1)/2, and 325775 can be expressed as P1275.

In the context of the Fibonacci sequence, 325775 is not a Fibonacci number, meaning it does not appear in the sequence that starts with 0 and 1, and where each subsequent number is the sum of the previous two.