255303513 has 24 divisors (see below), whose sum is σ = 397219680. Its totient is φ = 157489920.

The previous prime is 255303511. The next prime is 255303533. The reversal of 255303513 is 315303552.

255303513 = 3062² + 3063² + ... + 3088².

It is not a de Polignac number, because 255303513 - 2¹ = 255303511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255303511) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10008 + ... + 24713.

It is an arithmetic number, because the mean of its divisors is an integer number (16550820).

Almost surely, 2^255303513 is an apocalyptic number.

It is an amenable number.

255303513 is a deficient number, since it is larger than the sum of its proper divisors (141916167).

255303513 is a wasteful number, since it uses less digits than its factorization.

255303513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34789 (or 34786 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 255303513 is about 15978.2199571792. The cubic root of 255303513 is about 634.3840622614.

The spelling of 255303513 in words is "two hundred fifty-five million, three hundred three thousand, five hundred thirteen".