326565097 has 2 divisors, whose sum is σ = 326565098. Its totient is φ = 326565096.

The previous prime is 326565089. The next prime is 326565101. The reversal of 326565097 is 790565623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308494096 + 18071001 = 17564^2 + 4251^2 .

It is a cyclic number.

It is not a de Polignac number, because 326565097 - 2³ = 326565089 is a prime.

It is not a weakly prime, because it can be changed into another prime (326565047) 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, 163282548 + 163282549.

It is an arithmetic number, because the mean of its divisors is an integer number (163282549).

Almost surely, 2^326565097 is an apocalyptic number.

It is an amenable number.

326565097 is a deficient number, since it is larger than the sum of its proper divisors (1).

326565097 is an equidigital number, since it uses as much as digits as its factorization.

326565097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 326565097 is about 18071.1122236568. The cubic root of 326565097 is about 688.6363159653.

The spelling of 326565097 in words is "three hundred twenty-six million, five hundred sixty-five thousand, ninety-seven".