252393216 has 36 divisors (see below), whose sum is σ = 671736072. Its totient is φ = 84130816.

The previous prime is 252393179. The next prime is 252393217. The reversal of 252393216 is 612393252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252393217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163551 + ... + 165086.

Almost surely, 2^252393216 is an apocalyptic number.

It is an amenable number.

252393216 is an abundant number, since it is smaller than the sum of its proper divisors (419342856).

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

252393216 is an equidigital number, since it uses as much as digits as its factorization.

252393216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328656 (or 328642 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 252393216 is about 15886.8881786208. Note that the first 3 decimals coincide. The cubic root of 252393216 is about 631.9643199426.

The spelling of 252393216 in words is "two hundred fifty-two million, three hundred ninety-three thousand, two hundred sixteen".