656832313 has 2 divisors, whose sum is σ = 656832314. Its totient is φ = 656832312.

The previous prime is 656832301. The next prime is 656832317. The reversal of 656832313 is 313238656.

It is a happy number.

656832313 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635191209 + 21641104 = 25203^2 + 4652^2 .

It is a cyclic number.

It is not a de Polignac number, because 656832313 - 2⁹ = 656831801 is a prime.

It is not a weakly prime, because it can be changed into another prime (656832317) 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, 328416156 + 328416157.

It is an arithmetic number, because the mean of its divisors is an integer number (328416157).

Almost surely, 2^656832313 is an apocalyptic number.

It is an amenable number.

656832313 is a deficient number, since it is larger than the sum of its proper divisors (1).

656832313 is an equidigital number, since it uses as much as digits as its factorization.

656832313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 656832313 is about 25628.7399807326. The cubic root of 656832313 is about 869.2636183142.

The spelling of 656832313 in words is "six hundred fifty-six million, eight hundred thirty-two thousand, three hundred thirteen".