696501631 has 8 divisors (see below), whose sum is σ = 812247200. Its totient is φ = 597001104.

The previous prime is 696501593. The next prime is 696501643. The reversal of 696501631 is 136105696.

It is not a de Polignac number, because 696501631 - 2⁷ = 696501503 is a prime.

It is a super-2 number, since 2×696501631² = 970229043971320322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696501661) 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 in 7 ways as a sum of consecutive naturals, for example, 1014966 + ... + 1015651.

It is an arithmetic number, because the mean of its divisors is an integer number (101530900).

Almost surely, 2^696501631 is an apocalyptic number.

696501631 is a deficient number, since it is larger than the sum of its proper divisors (115745569).

696501631 is an equidigital number, since it uses as much as digits as its factorization.

696501631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030638 (or 2030624 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 696501631 is about 26391.3173411257. The cubic root of 696501631 is about 886.4223803789.

The spelling of 696501631 in words is "six hundred ninety-six million, five hundred one thousand, six hundred thirty-one".