252518460 has 24 divisors (see below), whose sum is σ = 707051856. Its totient is φ = 67338240.

The previous prime is 252518443. The next prime is 252518471. The reversal of 252518460 is 64815252.

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, 2104261 + ... + 2104380.

It is an arithmetic number, because the mean of its divisors is an integer number (29460494).

Almost surely, 2^252518460 is an apocalyptic number.

252518460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252518460 is an abundant number, since it is smaller than the sum of its proper divisors (454533396).

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

252518460 is a wasteful number, since it uses less digits than its factorization.

252518460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208653 (or 4208651 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 252518460 is about 15890.8294308384. The cubic root of 252518460 is about 632.0688349690.

The spelling of 252518460 in words is "two hundred fifty-two million, five hundred eighteen thousand, four hundred sixty".