252557860 has 24 divisors (see below), whose sum is σ = 531772416. Its totient is φ = 100756320.

The previous prime is 252557849. The next prime is 252557867. The reversal of 252557860 is 68755252.

252557860 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 (252557867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8826 + ... + 24145.

It is an arithmetic number, because the mean of its divisors is an integer number (22157184).

Almost surely, 2^252557860 is an apocalyptic number.

252557860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252557860 is an abundant number, since it is smaller than the sum of its proper divisors (279214556).

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

252557860 is a wasteful number, since it uses less digits than its factorization.

252557860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33363 (or 33361 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 252557860 is about 15892.0690912165. The cubic root of 252557860 is about 632.1017067796.

The spelling of 252557860 in words is "two hundred fifty-two million, five hundred fifty-seven thousand, eight hundred sixty".