252043616 has 24 divisors (see below), whose sum is σ = 541321704. Its totient is φ = 114565120.

The previous prime is 252043601. The next prime is 252043619. The reversal of 252043616 is 616340252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252043619) 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, 357665 + ... + 358368.

It is an arithmetic number, because the mean of its divisors is an integer number (22555071).

Almost surely, 2^252043616 is an apocalyptic number.

It is an amenable number.

252043616 is an abundant number, since it is smaller than the sum of its proper divisors (289278088).

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

252043616 is a wasteful number, since it uses less digits than its factorization.

252043616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716054 (or 716046 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 252043616 is about 15875.8815818209. The cubic root of 252043616 is about 631.6723987137.

Adding to 252043616 its reverse (616340252), we get a palindrome (868383868).

The spelling of 252043616 in words is "two hundred fifty-two million, forty-three thousand, six hundred sixteen".