326628713 has 2 divisors, whose sum is σ = 326628714. Its totient is φ = 326628712.

The previous prime is 326628707. The next prime is 326628763. The reversal of 326628713 is 317826623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224760064 + 101868649 = 14992^2 + 10093^2 .

It is a cyclic number.

It is not a de Polignac number, because 326628713 - 2⁶ = 326628649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (326628703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163314356 + 163314357.

It is an arithmetic number, because the mean of its divisors is an integer number (163314357).

Almost surely, 2^326628713 is an apocalyptic number.

It is an amenable number.

326628713 is a deficient number, since it is larger than the sum of its proper divisors (1).

326628713 is an equidigital number, since it uses as much as digits as its factorization.

326628713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 326628713 is about 18072.8722952385. The cubic root of 326628713 is about 688.6810293001.

The spelling of 326628713 in words is "three hundred twenty-six million, six hundred twenty-eight thousand, seven hundred thirteen".