860605613 has 4 divisors (see below), whose sum is σ = 983549280. Its totient is φ = 737661948.

The previous prime is 860605597. The next prime is 860605619. The reversal of 860605613 is 316506068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 860605613 - 2⁴ = 860605597 is a prime.

It is a super-2 number, since 2×860605613² = 1481284042254211538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860605619) 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 in 3 ways as a sum of consecutive naturals, for example, 61471823 + ... + 61471836.

It is an arithmetic number, because the mean of its divisors is an integer number (245887320).

Almost surely, 2^860605613 is an apocalyptic number.

It is an amenable number.

860605613 is a deficient number, since it is larger than the sum of its proper divisors (122943667).

860605613 is a wasteful number, since it uses less digits than its factorization.

860605613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122943666.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 860605613 is about 29336.0803959902. The cubic root of 860605613 is about 951.1917133122.

The spelling of 860605613 in words is "eight hundred sixty million, six hundred five thousand, six hundred thirteen".