252919566 has 12 divisors (see below), whose sum is σ = 547992432. Its totient is φ = 84306516.

The previous prime is 252919553. The next prime is 252919571. The reversal of 252919566 is 665919252.

It is a happy number.

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, 7025526 + ... + 7025561.

It is an arithmetic number, because the mean of its divisors is an integer number (45666036).

Almost surely, 2^252919566 is an apocalyptic number.

252919566 is an abundant number, since it is smaller than the sum of its proper divisors (295072866).

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

252919566 is a wasteful number, since it uses less digits than its factorization.

252919566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051095 (or 14051092 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 252919566 is about 15903.4450984684. The cubic root of 252919566 is about 632.4033220459.

The spelling of 252919566 in words is "two hundred fifty-two million, nine hundred nineteen thousand, five hundred sixty-six".