327725009 has 2 divisors, whose sum is σ = 327725010. Its totient is φ = 327725008.

The previous prime is 327724987. The next prime is 327725017. The reversal of 327725009 is 900527723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327718609 + 6400 = 18103^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 327725009 - 2¹⁶ = 327659473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327725009.

It is not a weakly prime, because it can be changed into another prime (327725039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163862504 + 163862505.

It is an arithmetic number, because the mean of its divisors is an integer number (163862505).

Almost surely, 2^327725009 is an apocalyptic number.

It is an amenable number.

327725009 is a deficient number, since it is larger than the sum of its proper divisors (1).

327725009 is an equidigital number, since it uses as much as digits as its factorization.

327725009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 327725009 is about 18103.1767654188. The cubic root of 327725009 is about 689.4506647788.

The spelling of 327725009 in words is "three hundred twenty-seven million, seven hundred twenty-five thousand, nine".