252371022152 has 36 divisors (see below), whose sum is σ = 483605843955. Its totient is φ = 123468032176.

The previous prime is 252371022149. The next prime is 252371022161. The reversal of 252371022152 is 251220173252.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 126185511076 + 126185511076 = 355226^2 + 355226^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355226.

It is a super-2 number, since 2×252371022152² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 66780599 + ... + 66784377.

Almost surely, 2^252371022152 is an apocalyptic number.

It is an amenable number.

252371022152 is a deficient number, since it is larger than the sum of its proper divisors (231234821803).

252371022152 is an frugal number, since it uses more digits than its factorization.

252371022152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Multiplying 252371022152 by its sum of digits (32), we get a square (8075872708864 = 2841808²).

The spelling of 252371022152 in words is "two hundred fifty-two billion, three hundred seventy-one million, twenty-two thousand, one hundred fifty-two".