257359996 has 6 divisors (see below), whose sum is σ = 450380000. Its totient is φ = 128679996.

The previous prime is 257359981. The next prime is 257360027. The reversal of 257359996 is 699953752.

It is a happy number.

257359996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×257359996² = 132468335082240032, which contains 22 as substring.

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, 32169996 + ... + 32170003.

Almost surely, 2^257359996 is an apocalyptic number.

It is an amenable number.

257359996 is a deficient number, since it is larger than the sum of its proper divisors (193020004).

257359996 is a wasteful number, since it uses less digits than its factorization.

257359996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64340003 (or 64340001 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 55.

The square root of 257359996 is about 16042.4435794551. The cubic root of 257359996 is about 636.0828412852.

The spelling of 257359996 in words is "two hundred fifty-seven million, three hundred fifty-nine thousand, nine hundred ninety-six".