257325344 has 24 divisors (see below), whose sum is σ = 512307180. Its totient is φ = 127215616.

The previous prime is 257325293. The next prime is 257325401. The reversal of 257325344 is 443523752.

257325344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189888400 + 67436944 = 13780^2 + 8212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42329 + ... + 48024.

Almost surely, 2^257325344 is an apocalyptic number.

It is an amenable number.

257325344 is a deficient number, since it is larger than the sum of its proper divisors (254981836).

257325344 is an equidigital number, since it uses as much as digits as its factorization.

257325344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90452 (or 90444 counting only the distinct ones).

The product of its digits is 100800, while the sum is 35.

The square root of 257325344 is about 16041.3635330666. The cubic root of 257325344 is about 636.0542917407.

The spelling of 257325344 in words is "two hundred fifty-seven million, three hundred twenty-five thousand, three hundred forty-four".