252621488 has 20 divisors (see below), whose sum is σ = 559376400. Its totient is φ = 108266304.

The previous prime is 252621487. The next prime is 252621493. The reversal of 252621488 is 884126252.

252621488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252621487) 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, 1127663 + ... + 1127886.

It is an arithmetic number, because the mean of its divisors is an integer number (27968820).

Almost surely, 2^252621488 is an apocalyptic number.

252621488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

252621488 is an abundant number, since it is smaller than the sum of its proper divisors (306754912).

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

252621488 is a wasteful number, since it uses less digits than its factorization.

252621488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255564 (or 2255558 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 252621488 is about 15894.0708441859. The cubic root of 252621488 is about 632.1547850331.

The spelling of 252621488 in words is "two hundred fifty-two million, six hundred twenty-one thousand, four hundred eighty-eight".