327697217 has 2 divisors, whose sum is σ = 327697218. Its totient is φ = 327697216.

The previous prime is 327697213. The next prime is 327697229. The reversal of 327697217 is 712796723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209409841 + 118287376 = 14471^2 + 10876^2 .

It is a cyclic number.

It is not a de Polignac number, because 327697217 - 2² = 327697213 is a prime.

It is not a weakly prime, because it can be changed into another prime (327697213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163848608 + 163848609.

It is an arithmetic number, because the mean of its divisors is an integer number (163848609).

Almost surely, 2^327697217 is an apocalyptic number.

It is an amenable number.

327697217 is a deficient number, since it is larger than the sum of its proper divisors (1).

327697217 is an equidigital number, since it uses as much as digits as its factorization.

327697217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The square root of 327697217 is about 18102.4091490608. The cubic root of 327697217 is about 689.4311751111.

The spelling of 327697217 in words is "three hundred twenty-seven million, six hundred ninety-seven thousand, two hundred seventeen".