252818812 has 6 divisors (see below), whose sum is σ = 442432928. Its totient is φ = 126409404.

The previous prime is 252818779. The next prime is 252818821. The reversal of 252818812 is 218818252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31602348 + ... + 31602355.

Almost surely, 2^252818812 is an apocalyptic number.

It is an amenable number.

252818812 is a deficient number, since it is larger than the sum of its proper divisors (189614116).

252818812 is a wasteful number, since it uses less digits than its factorization.

252818812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63204707 (or 63204705 counting only the distinct ones).

The product of its digits is 20480, while the sum is 37.

The square root of 252818812 is about 15900.2771045036. The cubic root of 252818812 is about 632.3193353618.

The spelling of 252818812 in words is "two hundred fifty-two million, eight hundred eighteen thousand, eight hundred twelve".