326343613 has 2 divisors, whose sum is σ = 326343614. Its totient is φ = 326343612.

The previous prime is 326343587. The next prime is 326343629. The reversal of 326343613 is 316343623.

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., 325369444 + 974169 = 18038^2 + 987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326343613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326343683) 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, 163171806 + 163171807.

It is an arithmetic number, because the mean of its divisors is an integer number (163171807).

Almost surely, 2^326343613 is an apocalyptic number.

It is an amenable number.

326343613 is a deficient number, since it is larger than the sum of its proper divisors (1).

326343613 is an equidigital number, since it uses as much as digits as its factorization.

326343613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

The square root of 326343613 is about 18064.9830611601. The cubic root of 326343613 is about 688.4805977318.

The spelling of 326343613 in words is "three hundred twenty-six million, three hundred forty-three thousand, six hundred thirteen".