682156613 has 2 divisors, whose sum is σ = 682156614. Its totient is φ = 682156612.

The previous prime is 682156591. The next prime is 682156661. The reversal of 682156613 is 316651286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498093124 + 184063489 = 22318^2 + 13567^2 .

It is a cyclic number.

It is not a de Polignac number, because 682156613 - 2⁶ = 682156549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682156213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341078306 + 341078307.

It is an arithmetic number, because the mean of its divisors is an integer number (341078307).

Almost surely, 2^682156613 is an apocalyptic number.

It is an amenable number.

682156613 is a deficient number, since it is larger than the sum of its proper divisors (1).

682156613 is an equidigital number, since it uses as much as digits as its factorization.

682156613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 682156613 is about 26118.1280531358. The cubic root of 682156613 is about 880.2945867216.

The spelling of 682156613 in words is "six hundred eighty-two million, one hundred fifty-six thousand, six hundred thirteen".