252316015513 has 2 divisors, whose sum is σ = 252316015514. Its totient is φ = 252316015512.

The previous prime is 252316015507. The next prime is 252316015531. The reversal of 252316015513 is 315510613252.

Together with next prime (252316015531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173586389769 + 78729625744 = 416637^2 + 280588^2 .

It is a cyclic number.

It is not a de Polignac number, because 252316015513 - 2⁹ = 252316015001 is a prime.

It is not a weakly prime, because it can be changed into another prime (252316015313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126158007756 + 126158007757.

It is an arithmetic number, because the mean of its divisors is an integer number (126158007757).

Almost surely, 2^252316015513 is an apocalyptic number.

It is an amenable number.

252316015513 is a deficient number, since it is larger than the sum of its proper divisors (1).

252316015513 is an equidigital number, since it uses as much as digits as its factorization.

252316015513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 252316015513 its reverse (315510613252), we get a palindrome (567826628765).

The spelling of 252316015513 in words is "two hundred fifty-two billion, three hundred sixteen million, fifteen thousand, five hundred thirteen".