255965172 has 24 divisors (see below), whose sum is σ = 597524256. Its totient is φ = 85282848.

The previous prime is 255965161. The next prime is 255965201. The reversal of 255965172 is 271569552.

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 7 ways as a sum of consecutive naturals, for example, 36978 + ... + 43350.

It is an arithmetic number, because the mean of its divisors is an integer number (24896844).

Almost surely, 2^255965172 is an apocalyptic number.

It is an amenable number.

255965172 is an abundant number, since it is smaller than the sum of its proper divisors (341559084).

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

255965172 is a wasteful number, since it uses less digits than its factorization.

255965172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727 (or 9725 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 255965172 is about 15998.9115879800. The cubic root of 255965172 is about 634.9316246877.

The spelling of 255965172 in words is "two hundred fifty-five million, nine hundred sixty-five thousand, one hundred seventy-two".