252663233 has 2 divisors, whose sum is σ = 252663234. Its totient is φ = 252663232.

The previous prime is 252663221. The next prime is 252663277. The reversal of 252663233 is 332366252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127961344 + 124701889 = 11312^2 + 11167^2 .

It is a cyclic number.

It is not a de Polignac number, because 252663233 - 2²⁴ = 235886017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252663233.

It is not a weakly prime, because it can be changed into another prime (212663233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126331616 + 126331617.

It is an arithmetic number, because the mean of its divisors is an integer number (126331617).

Almost surely, 2^252663233 is an apocalyptic number.

It is an amenable number.

252663233 is a deficient number, since it is larger than the sum of its proper divisors (1).

252663233 is an equidigital number, since it uses as much as digits as its factorization.

252663233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 32.

The square root of 252663233 is about 15895.3840154933. The cubic root of 252663233 is about 632.1896037234.

The spelling of 252663233 in words is "two hundred fifty-two million, six hundred sixty-three thousand, two hundred thirty-three".