252331213 has 2 divisors, whose sum is σ = 252331214. Its totient is φ = 252331212.

The previous prime is 252331199. The next prime is 252331249. The reversal of 252331213 is 312133252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183142089 + 69189124 = 13533^2 + 8318^2 .

It is a cyclic number.

It is not a de Polignac number, because 252331213 - 2¹⁷ = 252200141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252331253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126165606 + 126165607.

It is an arithmetic number, because the mean of its divisors is an integer number (126165607).

Almost surely, 2^252331213 is an apocalyptic number.

It is an amenable number.

252331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

252331213 is an equidigital number, since it uses as much as digits as its factorization.

252331213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 252331213 is about 15884.9366696880. The cubic root of 252331213 is about 631.9125661839.

Adding to 252331213 its reverse (312133252), we get a palindrome (564464465).

The spelling of 252331213 in words is "two hundred fifty-two million, three hundred thirty-one thousand, two hundred thirteen".