257057452 has 12 divisors (see below), whose sum is σ = 451869376. Its totient is φ = 127951920.

The previous prime is 257057431. The next prime is 257057509. The reversal of 257057452 is 254750752.

257057452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 143199 + ... + 144982.

Almost surely, 2^257057452 is an apocalyptic number.

It is an amenable number.

257057452 is a deficient number, since it is larger than the sum of its proper divisors (194811924).

257057452 is a wasteful number, since it uses less digits than its factorization.

257057452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288408 (or 288406 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 257057452 is about 16033.0113203977. The cubic root of 257057452 is about 635.8334908172.

The spelling of 257057452 in words is "two hundred fifty-seven million, fifty-seven thousand, four hundred fifty-two".