9125537631 has 16 divisors (see below), whose sum is σ = 13998912000. Its totient is φ = 5179593888.

The previous prime is 9125537609. The next prime is 9125537653. The reversal of 9125537631 is 1367355219.

It is an interprime number because it is at equal distance from previous prime (9125537609) and next prime (9125537653).

It is not a de Polignac number, because 9125537631 - 2⁹ = 9125537119 is a prime.

It is a super-2 number, since 2×9125537631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9125517631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455091 + ... + 1461348.

It is an arithmetic number, because the mean of its divisors is an integer number (874932000).

Almost surely, 2^9125537631 is an apocalyptic number.

9125537631 is a deficient number, since it is larger than the sum of its proper divisors (4873374369).

9125537631 is a wasteful number, since it uses less digits than its factorization.

9125537631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916598.

The product of its digits is 170100, while the sum is 42.

The square root of 9125537631 is about 95527.6799205340. The cubic root of 9125537631 is about 2089.7106374269.

The spelling of 9125537631 in words is "nine billion, one hundred twenty-five million, five hundred thirty-seven thousand, six hundred thirty-one".