255965875 has 16 divisors (see below), whose sum is σ = 348487776. Its totient is φ = 186156000.

The previous prime is 255965849. The next prime is 255965887. The reversal of 255965875 is 578569552.

It is not a de Polignac number, because 255965875 - 2²¹ = 253868723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91704 + ... + 94453.

It is an arithmetic number, because the mean of its divisors is an integer number (21780486).

Almost surely, 2^255965875 is an apocalyptic number.

255965875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255965875 is a deficient number, since it is larger than the sum of its proper divisors (92521901).

255965875 is a wasteful number, since it uses less digits than its factorization.

255965875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186183 (or 186173 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 52.

The square root of 255965875 is about 15998.9335582094. The cubic root of 255965875 is about 634.9322059602.

The spelling of 255965875 in words is "two hundred fifty-five million, nine hundred sixty-five thousand, eight hundred seventy-five".