327861601 has 2 divisors, whose sum is σ = 327861602. Its totient is φ = 327861600.

The previous prime is 327861577. The next prime is 327861607. The reversal of 327861601 is 106168723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 20034576 = 17545^2 + 4476^2 .

It is a cyclic number.

It is not a de Polignac number, because 327861601 - 2⁹ = 327861089 is a prime.

It is not a weakly prime, because it can be changed into another prime (327861607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163930800 + 163930801.

It is an arithmetic number, because the mean of its divisors is an integer number (163930801).

Almost surely, 2^327861601 is an apocalyptic number.

It is an amenable number.

327861601 is a deficient number, since it is larger than the sum of its proper divisors (1).

327861601 is an equidigital number, since it uses as much as digits as its factorization.

327861601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 327861601 is about 18106.9489699397. The cubic root of 327861601 is about 689.5464365002.

The spelling of 327861601 in words is "three hundred twenty-seven million, eight hundred sixty-one thousand, six hundred one".