257038652 has 12 divisors (see below), whose sum is σ = 484419096. Its totient is φ = 118633200.

The previous prime is 257038627. The next prime is 257038679. The reversal of 257038652 is 256830752.

257038652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2471474 + ... + 2471577.

It is an arithmetic number, because the mean of its divisors is an integer number (40368258).

Almost surely, 2^257038652 is an apocalyptic number.

It is an amenable number.

257038652 is a deficient number, since it is larger than the sum of its proper divisors (227380444).

257038652 is a wasteful number, since it uses less digits than its factorization.

257038652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943068 (or 4943066 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 257038652 is about 16032.4250193163. The cubic root of 257038652 is about 635.8179897933.

The spelling of 257038652 in words is "two hundred fifty-seven million, thirty-eight thousand, six hundred fifty-two".