656106713 has 2 divisors, whose sum is σ = 656106714. Its totient is φ = 656106712.

The previous prime is 656106707. The next prime is 656106743. The reversal of 656106713 is 317601656.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556346569 + 99760144 = 23587^2 + 9988^2 .

It is a cyclic number.

It is not a de Polignac number, because 656106713 - 2⁴ = 656106697 is a prime.

It is not a weakly prime, because it can be changed into another prime (656106743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328053356 + 328053357.

It is an arithmetic number, because the mean of its divisors is an integer number (328053357).

Almost surely, 2^656106713 is an apocalyptic number.

It is an amenable number.

656106713 is a deficient number, since it is larger than the sum of its proper divisors (1).

656106713 is an equidigital number, since it uses as much as digits as its factorization.

656106713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 656106713 is about 25614.5800863493. The cubic root of 656106713 is about 868.9434097062.

The spelling of 656106713 in words is "six hundred fifty-six million, one hundred six thousand, seven hundred thirteen".