252287688 has 64 divisors (see below), whose sum is σ = 641108160. Its totient is φ = 82722816.

The previous prime is 252287671. The next prime is 252287689. The reversal of 252287688 is 886782252.

It is not an unprimeable number, because it can be changed into a prime (252287689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714520 + ... + 714872.

It is an arithmetic number, because the mean of its divisors is an integer number (10017315).

Almost surely, 2^252287688 is an apocalyptic number.

It is an amenable number.

252287688 is an abundant number, since it is smaller than the sum of its proper divisors (388820472).

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

252287688 is a wasteful number, since it uses less digits than its factorization.

252287688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 762 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 252287688 is about 15883.5666019947. The cubic root of 252287688 is about 631.8762309037.

The spelling of 252287688 in words is "two hundred fifty-two million, two hundred eighty-seven thousand, six hundred eighty-eight".