632507631 has 12 divisors (see below), whose sum is σ = 981032472. Its totient is φ = 361432848.

The previous prime is 632507621. The next prime is 632507641. The reversal of 632507631 is 136705236.

It is an interprime number because it is at equal distance from previous prime (632507621) and next prime (632507641).

It is not a de Polignac number, because 632507631 - 2⁵ = 632507599 is a prime.

It is a super-2 number, since 2×632507631² = 800131806546464322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 632507592 and 632507601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632507621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2151240 + ... + 2151533.

It is an arithmetic number, because the mean of its divisors is an integer number (81752706).

Almost surely, 2^632507631 is an apocalyptic number.

632507631 is a deficient number, since it is larger than the sum of its proper divisors (348524841).

632507631 is a wasteful number, since it uses less digits than its factorization.

632507631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302790 (or 4302783 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 632507631 is about 25149.7043919009. The cubic root of 632507631 is about 858.3977880107.

The spelling of 632507631 in words is "six hundred thirty-two million, five hundred seven thousand, six hundred thirty-one".