5225

5225 is the integer that follows 5224 and precedes 5226. In decimal notation, it is a four-digit palindrome, reading the same forward and backward (5225).

In arithmetic, 5225 factors as 5^2 × 11 × 19. It is an odd composite number, not a prime. The positive divisors are 1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, and 5225, a total of 12 divisors.

The sum of proper divisors is 2215, which is less than 5225, so 5225 is a deficient number.

In base representations, 5225 equals 0x1469 in hexadecimal, and 1010001101001 in binary.

As a palindrome and a number with a squared factor, 5225 is of interest mainly in introductory number theory discussions. Its prime factorization shows a repeated factor of 5 along with the primes 11 and 19, illustrating how palindromicity and factor structure can coexist in integers.

See also palindromic numbers and factorization.