255321512 has 16 divisors (see below), whose sum is σ = 479927700. Its totient is φ = 127340800.

The previous prime is 255321463. The next prime is 255321527. The reversal of 255321512 is 215123552.

It can be written as a sum of positive squares in 2 ways, for example, as 245674276 + 9647236 = 15674^2 + 3106^2 .

It is a super-2 number, since 2×255321512² = 130378148979932288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36587 + ... + 43002.

Almost surely, 2^255321512 is an apocalyptic number.

It is an amenable number.

255321512 is a deficient number, since it is larger than the sum of its proper divisors (224606188).

255321512 is a wasteful number, since it uses less digits than its factorization.

255321512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79996 (or 79992 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 255321512 is about 15978.7831827083. The cubic root of 255321512 is about 634.3989700213.

The spelling of 255321512 in words is "two hundred fifty-five million, three hundred twenty-one thousand, five hundred twelve".