328316293 has 2 divisors, whose sum is σ = 328316294. Its totient is φ = 328316292.

The previous prime is 328316267. The next prime is 328316299. The reversal of 328316293 is 392613823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282307204 + 46009089 = 16802^2 + 6783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328316293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328316299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164158146 + 164158147.

It is an arithmetic number, because the mean of its divisors is an integer number (164158147).

Almost surely, 2^328316293 is an apocalyptic number.

It is an amenable number.

328316293 is a deficient number, since it is larger than the sum of its proper divisors (1).

328316293 is an equidigital number, since it uses as much as digits as its factorization.

328316293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 328316293 is about 18119.5003518309. The cubic root of 328316293 is about 689.8650530745.

The spelling of 328316293 in words is "three hundred twenty-eight million, three hundred sixteen thousand, two hundred ninety-three".