328006513 has 2 divisors, whose sum is σ = 328006514. Its totient is φ = 328006512.

The previous prime is 328006493. The next prime is 328006529. The reversal of 328006513 is 315600823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256384144 + 71622369 = 16012^2 + 8463^2 .

It is a cyclic number.

It is not a de Polignac number, because 328006513 - 2⁹ = 328006001 is a prime.

It is not a weakly prime, because it can be changed into another prime (328076513) 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, 164003256 + 164003257.

It is an arithmetic number, because the mean of its divisors is an integer number (164003257).

Almost surely, 2^328006513 is an apocalyptic number.

It is an amenable number.

328006513 is a deficient number, since it is larger than the sum of its proper divisors (1).

328006513 is an equidigital number, since it uses as much as digits as its factorization.

328006513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 328006513 is about 18110.9500855146. The cubic root of 328006513 is about 689.6480127290.

The spelling of 328006513 in words is "three hundred twenty-eight million, six thousand, five hundred thirteen".