326523313 has 2 divisors, whose sum is σ = 326523314. Its totient is φ = 326523312.

The previous prime is 326523311. The next prime is 326523317. The reversal of 326523313 is 313325623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321735969 + 4787344 = 17937^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 326523313 - 2¹ = 326523311 is a prime.

Together with 326523311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (326523311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163261656 + 163261657.

It is an arithmetic number, because the mean of its divisors is an integer number (163261657).

Almost surely, 2^326523313 is an apocalyptic number.

It is an amenable number.

326523313 is a deficient number, since it is larger than the sum of its proper divisors (1).

326523313 is an equidigital number, since it uses as much as digits as its factorization.

326523313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 28.

The square root of 326523313 is about 18069.9560873844. The cubic root of 326523313 is about 688.6069443766.

Adding to 326523313 its reverse (313325623), we get a palindrome (639848936).

It can be divided in two parts, 326523 and 313, that added together give a triangular number (326836 = T₈₀₈).

The spelling of 326523313 in words is "three hundred twenty-six million, five hundred twenty-three thousand, three hundred thirteen".