257088912 has 20 divisors (see below), whose sum is σ = 664146480. Its totient is φ = 85696288.

The previous prime is 257088907. The next prime is 257088947. The reversal of 257088912 is 219880752.

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, 2677962 + ... + 2678057.

It is an arithmetic number, because the mean of its divisors is an integer number (33207324).

Almost surely, 2^257088912 is an apocalyptic number.

It is an amenable number.

257088912 is an abundant number, since it is smaller than the sum of its proper divisors (407057568).

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

257088912 is a wasteful number, since it uses less digits than its factorization.

257088912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356030 (or 5356024 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 257088912 is about 16033.9923911670. The cubic root of 257088912 is about 635.8594286059.

The spelling of 257088912 in words is "two hundred fifty-seven million, eighty-eight thousand, nine hundred twelve".