327680413 has 2 divisors, whose sum is σ = 327680414. Its totient is φ = 327680412.

The previous prime is 327680411. The next prime is 327680459. The reversal of 327680413 is 314086723.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316377369 + 11303044 = 17787^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 327680413 - 2¹ = 327680411 is a prime.

Together with 327680411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327680411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163840206 + 163840207.

It is an arithmetic number, because the mean of its divisors is an integer number (163840207).

Almost surely, 2^327680413 is an apocalyptic number.

It is an amenable number.

327680413 is a deficient number, since it is larger than the sum of its proper divisors (1).

327680413 is an equidigital number, since it uses as much as digits as its factorization.

327680413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 327680413 is about 18101.9450059931. The cubic root of 327680413 is about 689.4193904525.

The spelling of 327680413 in words is "three hundred twenty-seven million, six hundred eighty thousand, four hundred thirteen".