252991199252 has 24 divisors (see below), whose sum is σ = 491169359520. Its totient is φ = 113046913760.

The previous prime is 252991199243. The next prime is 252991199317.

It is a happy number.

252991199252 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48724523 + ... + 48729714.

It is an arithmetic number, because the mean of its divisors is an integer number (20465389980).

Almost surely, 2^252991199252 is an apocalyptic number.

252991199252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252991199252 is a deficient number, since it is larger than the sum of its proper divisors (238178160268).

252991199252 is a wasteful number, since it uses less digits than its factorization.

252991199252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97454311 (or 97454309 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 56.

The spelling of 252991199252 in words is "two hundred fifty-two billion, nine hundred ninety-one million, one hundred ninety-nine thousand, two hundred fifty-two".