252105164 has 6 divisors (see below), whose sum is σ = 441184044. Its totient is φ = 126052580.

The previous prime is 252105163. The next prime is 252105181. The reversal of 252105164 is 461501252.

252105164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252105163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31513142 + ... + 31513149.

It is an arithmetic number, because the mean of its divisors is an integer number (73530674).

Almost surely, 2^252105164 is an apocalyptic number.

It is an amenable number.

252105164 is a deficient number, since it is larger than the sum of its proper divisors (189078880).

252105164 is a wasteful number, since it uses less digits than its factorization.

252105164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63026295 (or 63026293 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 252105164 is about 15877.8198755371. The cubic root of 252105164 is about 631.7238117842.

The spelling of 252105164 in words is "two hundred fifty-two million, one hundred five thousand, one hundred sixty-four".