257425088 has 28 divisors (see below), whose sum is σ = 511786632. Its totient is φ = 128471040.

The previous prime is 257425079. The next prime is 257425093. The reversal of 257425088 is 880524752.

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, 33443 + ... + 40413.

It is an arithmetic number, because the mean of its divisors is an integer number (18278094).

Almost surely, 2^257425088 is an apocalyptic number.

It is an amenable number.

257425088 is a deficient number, since it is larger than the sum of its proper divisors (254361544).

257425088 is an equidigital number, since it uses as much as digits as its factorization.

257425088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560 (or 7550 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 257425088 is about 16044.4721944974. The cubic root of 257425088 is about 636.1364632088.

The spelling of 257425088 in words is "two hundred fifty-seven million, four hundred twenty-five thousand, eighty-eight".