255425904 has 30 divisors (see below), whose sum is σ = 714838176. Its totient is φ = 85141920.

The previous prime is 255425899. The next prime is 255425923. The reversal of 255425904 is 409524552.

255425904 is a `hidden beast` number, since 25 + 5 + 42 + 590 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 886752 + ... + 887039.

Almost surely, 2^255425904 is an apocalyptic number.

255425904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255425904 is an abundant number, since it is smaller than the sum of its proper divisors (459412272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255425904 is a wasteful number, since it uses less digits than its factorization.

255425904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773805 (or 1773796 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 255425904 is about 15982.0494305330. The cubic root of 255425904 is about 634.4854193938.

The spelling of 255425904 in words is "two hundred fifty-five million, four hundred twenty-five thousand, nine hundred four".