252438233 has 2 divisors, whose sum is σ = 252438234. Its totient is φ = 252438232.

The previous prime is 252438229. The next prime is 252438247. The reversal of 252438233 is 332834252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251793424 + 644809 = 15868^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 252438233 - 2² = 252438229 is a prime.

It is a super-2 number, since 2×252438233² = 127450122960324578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252438233.

It is not a weakly prime, because it can be changed into another prime (252438203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126219116 + 126219117.

It is an arithmetic number, because the mean of its divisors is an integer number (126219117).

Almost surely, 2^252438233 is an apocalyptic number.

It is an amenable number.

252438233 is a deficient number, since it is larger than the sum of its proper divisors (1).

252438233 is an equidigital number, since it uses as much as digits as its factorization.

252438233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 252438233 is about 15888.3049127338. The cubic root of 252438233 is about 632.0018902163.

The spelling of 252438233 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, two hundred thirty-three".