252316015531 has 2 divisors, whose sum is σ = 252316015532. Its totient is φ = 252316015530.

The previous prime is 252316015513. The next prime is 252316015559. The reversal of 252316015531 is 135510613252.

Together with previous prime (252316015513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252316015531 - 2⁵ = 252316015499 is a prime.

It is a super-2 number, since 2×252316015531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252316019531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126158007765 + 126158007766.

It is an arithmetic number, because the mean of its divisors is an integer number (126158007766).

Almost surely, 2^252316015531 is an apocalyptic number.

252316015531 is a deficient number, since it is larger than the sum of its proper divisors (1).

252316015531 is an equidigital number, since it uses as much as digits as its factorization.

252316015531 is an odious number, because the sum of its binary digits is odd.

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

Adding to 252316015531 its reverse (135510613252), we get a palindrome (387826628783).

The spelling of 252316015531 in words is "two hundred fifty-two billion, three hundred sixteen million, fifteen thousand, five hundred thirty-one".