252742247213 has 2 divisors, whose sum is σ = 252742247214. Its totient is φ = 252742247212.

The previous prime is 252742247207. The next prime is 252742247327. The reversal of 252742247213 is 312742247252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238360721284 + 14381525929 = 488222^2 + 119923^2 .

It is a cyclic number.

It is not a de Polignac number, because 252742247213 - 2²⁸ = 252473811757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252742247113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126371123606 + 126371123607.

It is an arithmetic number, because the mean of its divisors is an integer number (126371123607).

Almost surely, 2^252742247213 is an apocalyptic number.

It is an amenable number.

252742247213 is a deficient number, since it is larger than the sum of its proper divisors (1).

252742247213 is an equidigital number, since it uses as much as digits as its factorization.

252742247213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 41.

The spelling of 252742247213 in words is "two hundred fifty-two billion, seven hundred forty-two million, two hundred forty-seven thousand, two hundred thirteen".