257612252 has 12 divisors (see below), whose sum is σ = 450980376. Its totient is φ = 128760720.

The previous prime is 257612239. The next prime is 257612273. The reversal of 257612252 is 252216752.

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, 3602 + ... + 22982.

It is an arithmetic number, because the mean of its divisors is an integer number (37581698).

Almost surely, 2^257612252 is an apocalyptic number.

It is an amenable number.

257612252 is a deficient number, since it is larger than the sum of its proper divisors (193368124).

257612252 is a wasteful number, since it uses less digits than its factorization.

257612252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708 (or 22706 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 257612252 is about 16050.3037977479. The cubic root of 257612252 is about 636.2905960770.

The spelling of 257612252 in words is "two hundred fifty-seven million, six hundred twelve thousand, two hundred fifty-two".