252131092 has 12 divisors (see below), whose sum is σ = 446546016. Its totient is φ = 124546520.

The previous prime is 252131081. The next prime is 252131111. The reversal of 252131092 is 290131252.

It is a happy number.

252131092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252131092² = 127140175106224928, which contains 22 as substring.

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, 379384 + ... + 380047.

It is an arithmetic number, because the mean of its divisors is an integer number (37212168).

Almost surely, 2^252131092 is an apocalyptic number.

It is an amenable number.

252131092 is a deficient number, since it is larger than the sum of its proper divisors (194414924).

252131092 is a wasteful number, since it uses less digits than its factorization.

252131092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759518 (or 759516 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 252131092 is about 15878.6363394342. The cubic root of 252131092 is about 631.7454677911.

The spelling of 252131092 in words is "two hundred fifty-two million, one hundred thirty-one thousand, ninety-two".