326165201 has 2 divisors, whose sum is σ = 326165202. Its totient is φ = 326165200.

The previous prime is 326165197. The next prime is 326165207. The reversal of 326165201 is 102561623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320410000 + 5755201 = 17900^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 326165201 - 2² = 326165197 is a prime.

It is not a weakly prime, because it can be changed into another prime (326165207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163082600 + 163082601.

It is an arithmetic number, because the mean of its divisors is an integer number (163082601).

Almost surely, 2^326165201 is an apocalyptic number.

It is an amenable number.

326165201 is a deficient number, since it is larger than the sum of its proper divisors (1).

326165201 is an equidigital number, since it uses as much as digits as its factorization.

326165201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 326165201 is about 18060.0443244196. The cubic root of 326165201 is about 688.3551107843.

The spelling of 326165201 in words is "three hundred twenty-six million, one hundred sixty-five thousand, two hundred one".