860413657 has 2 divisors, whose sum is σ = 860413658. Its totient is φ = 860413656.

The previous prime is 860413583. The next prime is 860413661. The reversal of 860413657 is 756314068.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455438281 + 404975376 = 21341^2 + 20124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860413657 is a prime.

It is a super-2 number, since 2×860413657² = 1480623322304227298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (860423657) 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, 430206828 + 430206829.

It is an arithmetic number, because the mean of its divisors is an integer number (430206829).

Almost surely, 2^860413657 is an apocalyptic number.

It is an amenable number.

860413657 is a deficient number, since it is larger than the sum of its proper divisors (1).

860413657 is an equidigital number, since it uses as much as digits as its factorization.

860413657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 860413657 is about 29332.8085426541. The cubic root of 860413657 is about 951.1209877167.

It can be divided in two parts, 86041 and 3657, that added together give a palindrome (89698).

The spelling of 860413657 in words is "eight hundred sixty million, four hundred thirteen thousand, six hundred fifty-seven".