327395600561 has 2 divisors, whose sum is σ = 327395600562. Its totient is φ = 327395600560.

The previous prime is 327395600513. The next prime is 327395600633. The reversal of 327395600561 is 165006593723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310339240561 + 17056360000 = 557081^2 + 130600^2 .

It is a cyclic number.

It is not a de Polignac number, because 327395600561 - 2¹⁰ = 327395599537 is a prime.

It is not a weakly prime, because it can be changed into another prime (327395600501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163697800280 + 163697800281.

It is an arithmetic number, because the mean of its divisors is an integer number (163697800281).

Almost surely, 2^327395600561 is an apocalyptic number.

It is an amenable number.

327395600561 is a deficient number, since it is larger than the sum of its proper divisors (1).

327395600561 is an equidigital number, since it uses as much as digits as its factorization.

327395600561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 327395600561 in words is "three hundred twenty-seven billion, three hundred ninety-five million, six hundred thousand, five hundred sixty-one".