860600981 has 2 divisors, whose sum is σ = 860600982. Its totient is φ = 860600980.

The previous prime is 860600927. The next prime is 860600989. The reversal of 860600981 is 189006068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460960900 + 399640081 = 21470^2 + 19991^2 .

It is a cyclic number.

It is not a de Polignac number, because 860600981 - 2¹⁴ = 860584597 is a prime.

It is a super-2 number, since 2×860600981² = 1481268096996324722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860600989) 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 as a sum of consecutive naturals, namely, 430300490 + 430300491.

It is an arithmetic number, because the mean of its divisors is an integer number (430300491).

Almost surely, 2^860600981 is an apocalyptic number.

It is an amenable number.

860600981 is a deficient number, since it is larger than the sum of its proper divisors (1).

860600981 is an equidigital number, since it uses as much as digits as its factorization.

860600981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 860600981 is about 29336.0014487319. The cubic root of 860600981 is about 951.1900067899.

The spelling of 860600981 in words is "eight hundred sixty million, six hundred thousand, nine hundred eighty-one".