328305413 has 2 divisors, whose sum is σ = 328305414. Its totient is φ = 328305412.

The previous prime is 328305379. The next prime is 328305443. The reversal of 328305413 is 314503823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300606244 + 27699169 = 17338^2 + 5263^2 .

It is an emirp because it is prime and its reverse (314503823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328305413 - 2⁸ = 328305157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328305443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164152706 + 164152707.

It is an arithmetic number, because the mean of its divisors is an integer number (164152707).

Almost surely, 2^328305413 is an apocalyptic number.

It is an amenable number.

328305413 is a deficient number, since it is larger than the sum of its proper divisors (1).

328305413 is an equidigital number, since it uses as much as digits as its factorization.

328305413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 328305413 is about 18119.2001203144. The cubic root of 328305413 is about 689.8574325626.

The spelling of 328305413 in words is "three hundred twenty-eight million, three hundred five thousand, four hundred thirteen".