257063212 has 18 divisors (see below), whose sum is σ = 523307652. Its totient is φ = 110169864.

The previous prime is 257063207. The next prime is 257063243. The reversal of 257063212 is 212360752.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655578 + ... + 655969.

Almost surely, 2^257063212 is an apocalyptic number.

It is an amenable number.

257063212 is an abundant number, since it is smaller than the sum of its proper divisors (266244440).

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

257063212 is a wasteful number, since it uses less digits than its factorization.

257063212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311565 (or 1311556 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 257063212 is about 16033.1909487787. The cubic root of 257063212 is about 635.8382399158.

The spelling of 257063212 in words is "two hundred fifty-seven million, sixty-three thousand, two hundred twelve".