252540092 has 24 divisors (see below), whose sum is σ = 527041536. Its totient is φ = 103525488.

The previous prime is 252540089. The next prime is 252540103. The reversal of 252540092 is 290045252.

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, 195428 + ... + 196715.

It is an arithmetic number, because the mean of its divisors is an integer number (21960064).

Almost surely, 2^252540092 is an apocalyptic number.

It is an amenable number.

252540092 is an abundant number, since it is smaller than the sum of its proper divisors (274501444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252540092 is a wasteful number, since it uses less digits than its factorization.

252540092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392177 (or 392175 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 252540092 is about 15891.5100604065. The cubic root of 252540092 is about 632.0868831843.

The spelling of 252540092 in words is "two hundred fifty-two million, five hundred forty thousand, ninety-two".