2015264631 has 8 divisors (see below), whose sum is σ = 2687287680. Its totient is φ = 1343375672.

The previous prime is 2015264627. The next prime is 2015264653. The reversal of 2015264631 is 1364625102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2015264631 - 2² = 2015264627 is a prime.

It is a super-2 number, since 2×2015264631² = 8122583065919132322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015264611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 64178.

It is an arithmetic number, because the mean of its divisors is an integer number (335910960).

Almost surely, 2^2015264631 is an apocalyptic number.

2015264631 is a deficient number, since it is larger than the sum of its proper divisors (672023049).

2015264631 is a wasteful number, since it uses less digits than its factorization.

2015264631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67045.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2015264631 is about 44891.6989097094. The cubic root of 2015264631 is about 1263.1183011478.

Adding to 2015264631 its reverse (1364625102), we get a palindrome (3379889733).

The spelling of 2015264631 in words is "two billion, fifteen million, two hundred sixty-four thousand, six hundred thirty-one".