252528280 has 32 divisors (see below), whose sum is σ = 573823440. Its totient is φ = 100009600.

The previous prime is 252528277. The next prime is 252528299. The reversal of 252528280 is 82825252.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27214 + ... + 35293.

Almost surely, 2^252528280 is an apocalyptic number.

252528280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252528280 is an abundant number, since it is smaller than the sum of its proper divisors (321295160).

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

252528280 is a wasteful number, since it uses less digits than its factorization.

252528280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62619 (or 62615 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 252528280 is about 15891.1384110768. The cubic root of 252528280 is about 632.0770282122.

The spelling of 252528280 in words is "two hundred fifty-two million, five hundred twenty-eight thousand, two hundred eighty".