252899968 has 32 divisors (see below), whose sum is σ = 505270260. Its totient is φ = 126087168.

The previous prime is 252899963. The next prime is 252899987. The reversal of 252899968 is 869998252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243609664 + 9290304 = 15608^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (252899963) 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, 45096 + ... + 50392.

Almost surely, 2^252899968 is an apocalyptic number.

It is an amenable number.

252899968 is a deficient number, since it is larger than the sum of its proper divisors (252370292).

252899968 is an equidigital number, since it uses as much as digits as its factorization.

252899968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5672 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The square root of 252899968 is about 15902.8289307280. The cubic root of 252899968 is about 632.3869872606.

The spelling of 252899968 in words is "two hundred fifty-two million, eight hundred ninety-nine thousand, nine hundred sixty-eight".