252297480 has 32 divisors (see below), whose sum is σ = 756892800. Its totient is φ = 67279296.

The previous prime is 252297449. The next prime is 252297509. The reversal of 252297480 is 84792252.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 1051120 + ... + 1051359.

It is an arithmetic number, because the mean of its divisors is an integer number (23652900).

Almost surely, 2^252297480 is an apocalyptic number.

252297480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252297480 is an abundant number, since it is smaller than the sum of its proper divisors (504595320).

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

252297480 is a wasteful number, since it uses less digits than its factorization.

252297480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102493 (or 2102489 counting only the distinct ones).

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

The square root of 252297480 is about 15883.8748421158. The cubic root of 252297480 is about 631.8844057669.

The spelling of 252297480 in words is "two hundred fifty-two million, two hundred ninety-seven thousand, four hundred eighty".