7501 is a natural number that follows 7500 and precedes 7502. It is an odd integer. In mathematics, 7501 factors as 13 × 577, where both factors are prime. Thus 7501 is composite. It can be expressed as a sum of two squares: 74^2 + 45^2 = 7501. In base 10 it is a Harshad (Niven) number because it is divisible by the sum of its digits (7+5+0+1 = 13), yielding a quotient of 577. In base representations, 7501 equals 0x1D4D in hexadecimal and 1110101001101 in binary. The number is used as an identifier in various contexts, including model numbers, catalog entries, and other designations, without implying a universal meaning. As a four-digit figure, it is also sometimes cited in lists of integers for reference.