255325515 has 16 divisors (see below), whose sum is σ = 430022400. Its totient is φ = 129006432.

The previous prime is 255325501. The next prime is 255325523. The reversal of 255325515 is 515523552.

It is not a de Polignac number, because 255325515 - 2⁷ = 255325387 is a prime.

It is a super-2 number, since 2×255325515² = 130382237220030450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447655 + ... + 448224.

It is an arithmetic number, because the mean of its divisors is an integer number (26876400).

Almost surely, 2^255325515 is an apocalyptic number.

255325515 is a deficient number, since it is larger than the sum of its proper divisors (174696885).

255325515 is a wasteful number, since it uses less digits than its factorization.

255325515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895906.

The product of its digits is 37500, while the sum is 33.

The square root of 255325515 is about 15978.9084420683. The cubic root of 255325515 is about 634.4022854305.

The spelling of 255325515 in words is "two hundred fifty-five million, three hundred twenty-five thousand, five hundred fifteen".