256179125 has 16 divisors (see below), whose sum is σ = 320606208. Its totient is φ = 204370000.

The previous prime is 256179107. The next prime is 256179139. The reversal of 256179125 is 521971652.

It is a happy number.

It is not a de Polignac number, because 256179125 - 2⁶ = 256179061 is a prime.

It is a Duffinian number.

It is a congruent 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, 45200 + ... + 50550.

It is an arithmetic number, because the mean of its divisors is an integer number (20037888).

Almost surely, 2^256179125 is an apocalyptic number.

256179125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256179125 is a deficient number, since it is larger than the sum of its proper divisors (64427083).

256179125 is an equidigital number, since it uses as much as digits as its factorization.

256179125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749 (or 5739 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 256179125 is about 16005.5966774126. The cubic root of 256179125 is about 635.1084816832.

The spelling of 256179125 in words is "two hundred fifty-six million, one hundred seventy-nine thousand, one hundred twenty-five".