327005993 has 2 divisors, whose sum is σ = 327005994. Its totient is φ = 327005992.

The previous prime is 327005981. The next prime is 327006023. The reversal of 327005993 is 399500723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191213584 + 135792409 = 13828^2 + 11653^2 .

It is a cyclic number.

It is not a de Polignac number, because 327005993 - 2⁴ = 327005977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (327005953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163502996 + 163502997.

It is an arithmetic number, because the mean of its divisors is an integer number (163502997).

Almost surely, 2^327005993 is an apocalyptic number.

It is an amenable number.

327005993 is a deficient number, since it is larger than the sum of its proper divisors (1).

327005993 is an equidigital number, since it uses as much as digits as its factorization.

327005993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 327005993 is about 18083.3070260945. The cubic root of 327005993 is about 688.9460862219.

The spelling of 327005993 in words is "three hundred twenty-seven million, five thousand, nine hundred ninety-three".