257353032 has 32 divisors (see below), whose sum is σ = 652200480. Its totient is φ = 84608640.

The previous prime is 257353013. The next prime is 257353051. The reversal of 257353032 is 230353752.

It is an interprime number because it is at equal distance from previous prime (257353013) and next prime (257353051).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71694 + ... + 75197.

It is an arithmetic number, because the mean of its divisors is an integer number (20381265).

Almost surely, 2^257353032 is an apocalyptic number.

It is an amenable number.

257353032 is an abundant number, since it is smaller than the sum of its proper divisors (394847448).

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

257353032 is a wasteful number, since it uses less digits than its factorization.

257353032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146973 (or 146969 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 257353032 is about 16042.2265287584. The cubic root of 257353032 is about 636.0771038992.

The spelling of 257353032 in words is "two hundred fifty-seven million, three hundred fifty-three thousand, thirty-two".