252684612 has 54 divisors (see below), whose sum is σ = 647723258. Its totient is φ = 83049984.

The previous prime is 252684571. The next prime is 252684637. The reversal of 252684612 is 216486252.

It is a happy number.

252684612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6320196 + 246364416 = 2514^2 + 15696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 939214 + ... + 939482.

Almost surely, 2^252684612 is an apocalyptic number.

It is an amenable number.

252684612 is an abundant number, since it is smaller than the sum of its proper divisors (395038646).

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

252684612 is a wasteful number, since it uses less digits than its factorization.

252684612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 371 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 252684612 is about 15896.0564920989. The cubic root of 252684612 is about 632.2074340453.

The spelling of 252684612 in words is "two hundred fifty-two million, six hundred eighty-four thousand, six hundred twelve".