257941932 has 12 divisors (see below), whose sum is σ = 601864536. Its totient is φ = 85980640.

The previous prime is 257941903. The next prime is 257941961. The reversal of 257941932 is 239149752.

It is an interprime number because it is at equal distance from previous prime (257941903) and next prime (257941961).

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, 10747569 + ... + 10747592.

It is an arithmetic number, because the mean of its divisors is an integer number (50155378).

Almost surely, 2^257941932 is an apocalyptic number.

It is an amenable number.

257941932 is an abundant number, since it is smaller than the sum of its proper divisors (343922604).

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

257941932 is a wasteful number, since it uses less digits than its factorization.

257941932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21495168 (or 21495166 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 257941932 is about 16060.5707246038. The cubic root of 257941932 is about 636.5619119275.

The spelling of 257941932 in words is "two hundred fifty-seven million, nine hundred forty-one thousand, nine hundred thirty-two".