252090164 has 12 divisors (see below), whose sum is σ = 441327684. Its totient is φ = 125996544.

The previous prime is 252090089. The next prime is 252090191. The reversal of 252090164 is 461090252.

It is a happy number.

252090164 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 195720100 = 7508^2 + 13990^2 .

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, 1172 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (36777307).

Almost surely, 2^252090164 is an apocalyptic number.

It is an amenable number.

252090164 is a deficient number, since it is larger than the sum of its proper divisors (189237520).

252090164 is a wasteful number, since it uses less digits than its factorization.

252090164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24274 (or 24272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 252090164 is about 15877.3475114705. The cubic root of 252090164 is about 631.7112825617.

The spelling of 252090164 in words is "two hundred fifty-two million, ninety thousand, one hundred sixty-four".