257417696 has 12 divisors (see below), whose sum is σ = 506791152. Its totient is φ = 128708832.

The previous prime is 257417687. The next prime is 257417749. The reversal of 257417696 is 696714752.

It is a self number, because there is not a number n which added to its sum of digits gives 257417696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022120 + ... + 4022183.

It is an arithmetic number, because the mean of its divisors is an integer number (42232596).

Almost surely, 2^257417696 is an apocalyptic number.

It is an amenable number.

257417696 is a deficient number, since it is larger than the sum of its proper divisors (249373456).

257417696 is an equidigital number, since it uses as much as digits as its factorization.

257417696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044313 (or 8044305 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 257417696 is about 16044.2418331313. The cubic root of 257417696 is about 636.1303742325.

The spelling of 257417696 in words is "two hundred fifty-seven million, four hundred seventeen thousand, six hundred ninety-six".