255943585 has 32 divisors (see below), whose sum is σ = 344044800. Its totient is φ = 182151936.

The previous prime is 255943579. The next prime is 255943601. The reversal of 255943585 is 585349552.

It is not a de Polignac number, because 255943585 - 2²¹ = 253846433 is a prime.

Its product of digits (1080000) is a multiple of the sum of its prime divisors (480).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 582796 + ... + 583234.

It is an arithmetic number, because the mean of its divisors is an integer number (10751400).

Almost surely, 2^255943585 is an apocalyptic number.

It is an amenable number.

255943585 is a deficient number, since it is larger than the sum of its proper divisors (88101215).

255943585 is an equidigital number, since it uses as much as digits as its factorization.

255943585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 480 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 46.

The square root of 255943585 is about 15998.2369341125. The cubic root of 255943585 is about 634.9137750532.

The spelling of 255943585 in words is "two hundred fifty-five million, nine hundred forty-three thousand, five hundred eighty-five".