327979013 has 2 divisors, whose sum is σ = 327979014. Its totient is φ = 327979012.

The previous prime is 327978953. The next prime is 327979021. The reversal of 327979013 is 310979723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 85803169 = 15562^2 + 9263^2 .

It is a cyclic number.

It is not a de Polignac number, because 327979013 - 2²⁸ = 59543557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327979073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163989506 + 163989507.

It is an arithmetic number, because the mean of its divisors is an integer number (163989507).

Almost surely, 2^327979013 is an apocalyptic number.

It is an amenable number.

327979013 is a deficient number, since it is larger than the sum of its proper divisors (1).

327979013 is an equidigital number, since it uses as much as digits as its factorization.

327979013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 327979013 is about 18110.1908603968. The cubic root of 327979013 is about 689.6287388735.

The spelling of 327979013 in words is "three hundred twenty-seven million, nine hundred seventy-nine thousand, thirteen".