956536631 has 2 divisors, whose sum is σ = 956536632. Its totient is φ = 956536630.

The previous prime is 956536613. The next prime is 956536681. The reversal of 956536631 is 136635659.

Together with previous prime (956536613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (136635659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956536631 - 2¹⁰ = 956535607 is a prime.

It is a super-2 number, since 2×956536631² = 1829924652889660322, which contains 22 as substring.

It is equal to p_48747491 and since 956536631 and 48747491 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (956536681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478268315 + 478268316.

It is an arithmetic number, because the mean of its divisors is an integer number (478268316).

Almost surely, 2^956536631 is an apocalyptic number.

956536631 is a deficient number, since it is larger than the sum of its proper divisors (1).

956536631 is an equidigital number, since it uses as much as digits as its factorization.

956536631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 44.

The square root of 956536631 is about 30927.9263934716. The cubic root of 956536631 is about 985.2970943683.

The spelling of 956536631 in words is "nine hundred fifty-six million, five hundred thirty-six thousand, six hundred thirty-one".