255137812 has 18 divisors (see below), whose sum is σ = 461365674. Its totient is φ = 123451920.

The previous prime is 255137803. The next prime is 255137821. The reversal of 255137812 is 218731552.

255137812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255137803) and next prime (255137821).

It can be written as a sum of positive squares in only one way, i.e., 253892356 + 1245456 = 15934^2 + 1116^2 .

It is a super-2 number, since 2×255137812² = 130190606224294688, which contains 22 as substring.

It is a congruent number.

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, 29343 + ... + 37030.

Almost surely, 2^255137812 is an apocalyptic number.

It is an amenable number.

255137812 is a deficient number, since it is larger than the sum of its proper divisors (206227862).

255137812 is a wasteful number, since it uses less digits than its factorization.

255137812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66439 (or 66406 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 255137812 is about 15973.0339009219. The cubic root of 255137812 is about 634.2467866684.

The spelling of 255137812 in words is "two hundred fifty-five million, one hundred thirty-seven thousand, eight hundred twelve".