152513531 has 2 divisors, whose sum is σ = 152513532. Its totient is φ = 152513530.

The previous prime is 152513509. The next prime is 152513567. The reversal of 152513531 is 135315251.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (135315251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152513531 is a prime.

It is a super-2 number, since 2×152513531² = 46520754276175922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152513531.

It is not a weakly prime, because it can be changed into another prime (152512531) 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, 76256765 + 76256766.

It is an arithmetic number, because the mean of its divisors is an integer number (76256766).

Almost surely, 2^152513531 is an apocalyptic number.

152513531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152513531 is an equidigital number, since it uses as much as digits as its factorization.

152513531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 26.

The square root of 152513531 is about 12349.6368772527. The cubic root of 152513531 is about 534.2806660014.

Adding to 152513531 its reverse (135315251), we get a palindrome (287828782).

The spelling of 152513531 in words is "one hundred fifty-two million, five hundred thirteen thousand, five hundred thirty-one".