257482308 has 12 divisors (see below), whose sum is σ = 600792080. Its totient is φ = 85827432.

The previous prime is 257482283. The next prime is 257482327. The reversal of 257482308 is 803284752.

It is a tau number, because it is divible by the number of its divisors (12).

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, 10728418 + ... + 10728441.

Almost surely, 2^257482308 is an apocalyptic number.

It is an amenable number.

257482308 is an abundant number, since it is smaller than the sum of its proper divisors (343309772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257482308 is a wasteful number, since it uses less digits than its factorization.

257482308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21456866 (or 21456864 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 257482308 is about 16046.2552640795. The cubic root of 257482308 is about 636.1835928185.

The spelling of 257482308 in words is "two hundred fifty-seven million, four hundred eighty-two thousand, three hundred eight".