252489072 has 40 divisors (see below), whose sum is σ = 711561600. Its totient is φ = 76511680.

The previous prime is 252489067. The next prime is 252489091. The reversal of 252489072 is 270984252.

252489072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252489072.

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, 238572 + ... + 239627.

It is an arithmetic number, because the mean of its divisors is an integer number (17789040).

Almost surely, 2^252489072 is an apocalyptic number.

252489072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252489072 is an abundant number, since it is smaller than the sum of its proper divisors (459072528).

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

252489072 is a wasteful number, since it uses less digits than its factorization.

252489072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478221 (or 478215 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 252489072 is about 15889.9047196640. The cubic root of 252489072 is about 632.0443140428.

The spelling of 252489072 in words is "two hundred fifty-two million, four hundred eighty-nine thousand, seventy-two".