326349497 has 2 divisors, whose sum is σ = 326349498. Its totient is φ = 326349496.

The previous prime is 326349437. The next prime is 326349521. The reversal of 326349497 is 794943623.

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., 293813881 + 32535616 = 17141^2 + 5704^2 .

It is a cyclic number.

It is not a de Polignac number, because 326349497 - 2⁶ = 326349433 is a prime.

It is not a weakly prime, because it can be changed into another prime (326349437) 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, 163174748 + 163174749.

It is an arithmetic number, because the mean of its divisors is an integer number (163174749).

Almost surely, 2^326349497 is an apocalyptic number.

It is an amenable number.

326349497 is a deficient number, since it is larger than the sum of its proper divisors (1).

326349497 is an equidigital number, since it uses as much as digits as its factorization.

326349497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 326349497 is about 18065.1459169308. The cubic root of 326349497 is about 688.4847354927.

The spelling of 326349497 in words is "three hundred twenty-six million, three hundred forty-nine thousand, four hundred ninety-seven".