860730631 has 2 divisors, whose sum is σ = 860730632. Its totient is φ = 860730630.

The previous prime is 860730623. The next prime is 860730641. The reversal of 860730631 is 136037068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860730631 - 2³ = 860730623 is a prime.

It is a super-2 number, since 2×860730631² = 1481714438283316322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860730641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430365315 + 430365316.

It is an arithmetic number, because the mean of its divisors is an integer number (430365316).

Almost surely, 2^860730631 is an apocalyptic number.

860730631 is a deficient number, since it is larger than the sum of its proper divisors (1).

860730631 is an equidigital number, since it uses as much as digits as its factorization.

860730631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 860730631 is about 29338.2111077005. The cubic root of 860730631 is about 951.2377701533.

Adding to 860730631 its reverse (136037068), we get a palindrome (996767699).

The spelling of 860730631 in words is "eight hundred sixty million, seven hundred thirty thousand, six hundred thirty-one".