860606231 has 2 divisors, whose sum is σ = 860606232. Its totient is φ = 860606230.

The previous prime is 860606207. The next prime is 860606251. The reversal of 860606231 is 132606068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860606231 is a prime.

It is a super-2 number, since 2×860606231² = 1481286169672050722, which 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 (860606251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430303115 + 430303116.

It is an arithmetic number, because the mean of its divisors is an integer number (430303116).

Almost surely, 2^860606231 is an apocalyptic number.

860606231 is a deficient number, since it is larger than the sum of its proper divisors (1).

860606231 is an equidigital number, since it uses as much as digits as its factorization.

860606231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 860606231 is about 29336.0909290928. The cubic root of 860606231 is about 951.1919409954.

The spelling of 860606231 in words is "eight hundred sixty million, six hundred six thousand, two hundred thirty-one".