252320812 has 12 divisors (see below), whose sum is σ = 442085056. Its totient is φ = 126010800.

The previous prime is 252320807. The next prime is 252320813. The reversal of 252320812 is 218023252.

It is not an unprimeable number, because it can be changed into a prime (252320813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33564 + ... + 40387.

Almost surely, 2^252320812 is an apocalyptic number.

It is an amenable number.

252320812 is a deficient number, since it is larger than the sum of its proper divisors (189764244).

252320812 is a wasteful number, since it uses less digits than its factorization.

252320812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74808 (or 74806 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 252320812 is about 15884.6092806842. The cubic root of 252320812 is about 631.9038836633.

The spelling of 252320812 in words is "two hundred fifty-two million, three hundred twenty thousand, eight hundred twelve".