257314502 has 12 divisors (see below), whose sum is σ = 396689580. Its totient is φ = 125178696.

The previous prime is 257314481. The next prime is 257314583. The reversal of 257314502 is 205413752.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44252 + ... + 49727.

It is an arithmetic number, because the mean of its divisors is an integer number (33057465).

Almost surely, 2^257314502 is an apocalyptic number.

257314502 is a deficient number, since it is larger than the sum of its proper divisors (139375078).

257314502 is an equidigital number, since it uses as much as digits as its factorization.

257314502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94055 (or 94018 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 257314502 is about 16041.0255906535. The cubic root of 257314502 is about 636.0453585651.

The spelling of 257314502 in words is "two hundred fifty-seven million, three hundred fourteen thousand, five hundred two".