152415631 has 2 divisors, whose sum is σ = 152415632. Its totient is φ = 152415630.

The previous prime is 152415583. The next prime is 152415661. The reversal of 152415631 is 136514251.

It is a strong prime.

It is an emirp because it is prime and its reverse (136514251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152415631 - 2⁹ = 152415119 is a prime.

It is a super-2 number, since 2×152415631² = 46461049146256322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152415631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152415661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76207815 + 76207816.

It is an arithmetic number, because the mean of its divisors is an integer number (76207816).

Almost surely, 2^152415631 is an apocalyptic number.

152415631 is a deficient number, since it is larger than the sum of its proper divisors (1).

152415631 is an equidigital number, since it uses as much as digits as its factorization.

152415631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 152415631 is about 12345.6725616712. The cubic root of 152415631 is about 534.1663214516.

Adding to 152415631 its reverse (136514251), we get a palindrome (288929882).

The spelling of 152415631 in words is "one hundred fifty-two million, four hundred fifteen thousand, six hundred thirty-one".