257013812 has 12 divisors (see below), whose sum is σ = 490662816. Its totient is φ = 116824440.

The previous prime is 257013797. The next prime is 257013829. The reversal of 257013812 is 218310752.

257013812 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 (29) coincides with the sum of the digits of its distinct prime factors.

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, 2920568 + ... + 2920655.

It is an arithmetic number, because the mean of its divisors is an integer number (40888568).

Almost surely, 2^257013812 is an apocalyptic number.

257013812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

257013812 is a deficient number, since it is larger than the sum of its proper divisors (233649004).

257013812 is a wasteful number, since it uses less digits than its factorization.

257013812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841238 (or 5841236 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 257013812 is about 16031.6503205378. The cubic root of 257013812 is about 635.7975074942.

The spelling of 257013812 in words is "two hundred fifty-seven million, thirteen thousand, eight hundred twelve".