327138593 has 2 divisors, whose sum is σ = 327138594. Its totient is φ = 327138592.

The previous prime is 327138583. The next prime is 327138613. The reversal of 327138593 is 395831723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273307024 + 53831569 = 16532^2 + 7337^2 .

It is a cyclic number.

It is not a de Polignac number, because 327138593 - 2⁴ = 327138577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327138593.

It is not a weakly prime, because it can be changed into another prime (327138563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163569296 + 163569297.

It is an arithmetic number, because the mean of its divisors is an integer number (163569297).

Almost surely, 2^327138593 is an apocalyptic number.

It is an amenable number.

327138593 is a deficient number, since it is larger than the sum of its proper divisors (1).

327138593 is an equidigital number, since it uses as much as digits as its factorization.

327138593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 327138593 is about 18086.9730192755. The cubic root of 327138593 is about 689.0391955306.

The spelling of 327138593 in words is "three hundred twenty-seven million, one hundred thirty-eight thousand, five hundred ninety-three".