255603285 has 48 divisors (see below), whose sum is σ = 507911040. Its totient is φ = 116484480.

The previous prime is 255603263. The next prime is 255603311. The reversal of 255603285 is 582306552.

It is a happy number.

255603285 is a `hidden beast` number, since 25 + 5 + 603 + 28 + 5 = 666.

It is not a de Polignac number, because 255603285 - 2¹¹ = 255601237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118315 + ... + 120455.

It is an arithmetic number, because the mean of its divisors is an integer number (10581480).

Almost surely, 2^255603285 is an apocalyptic number.

It is an amenable number.

255603285 is a deficient number, since it is larger than the sum of its proper divisors (252307755).

255603285 is a wasteful number, since it uses less digits than its factorization.

255603285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2535 counting only the distinct ones).

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

The square root of 255603285 is about 15987.5978495833. The cubic root of 255603285 is about 634.6322586062.

The spelling of 255603285 in words is "two hundred fifty-five million, six hundred three thousand, two hundred eighty-five".