32543560631 has 2 divisors, whose sum is σ = 32543560632. Its totient is φ = 32543560630.

The previous prime is 32543560603. The next prime is 32543560657. The reversal of 32543560631 is 13606534523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32543560631 is a prime.

It is a super-2 number, since 2×32543560631² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32543563631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16271780315 + 16271780316.

It is an arithmetic number, because the mean of its divisors is an integer number (16271780316).

Almost surely, 2^32543560631 is an apocalyptic number.

32543560631 is a deficient number, since it is larger than the sum of its proper divisors (1).

32543560631 is an equidigital number, since it uses as much as digits as its factorization.

32543560631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 32543560631 in words is "thirty-two billion, five hundred forty-three million, five hundred sixty thousand, six hundred thirty-one".