326885617 has 2 divisors, whose sum is σ = 326885618. Its totient is φ = 326885616.

The previous prime is 326885599. The next prime is 326885627. The reversal of 326885617 is 716588623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296149681 + 30735936 = 17209^2 + 5544^2 .

It is a cyclic number.

It is not a de Polignac number, because 326885617 - 2²³ = 318497009 is a prime.

It is not a weakly prime, because it can be changed into another prime (326885627) 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, 163442808 + 163442809.

It is an arithmetic number, because the mean of its divisors is an integer number (163442809).

Almost surely, 2^326885617 is an apocalyptic number.

It is an amenable number.

326885617 is a deficient number, since it is larger than the sum of its proper divisors (1).

326885617 is an equidigital number, since it uses as much as digits as its factorization.

326885617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 326885617 is about 18079.9783462260. The cubic root of 326885617 is about 688.8615385844.

The spelling of 326885617 in words is "three hundred twenty-six million, eight hundred eighty-five thousand, six hundred seventeen".