328042511 has 2 divisors, whose sum is σ = 328042512. Its totient is φ = 328042510.

The previous prime is 328042499. The next prime is 328042601. The reversal of 328042511 is 115240823.

It is a weak prime.

It is an emirp because it is prime and its reverse (115240823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328042511 is a prime.

It is a super-2 number, since 2×328042511² = 215223778046370242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328045511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164021255 + 164021256.

It is an arithmetic number, because the mean of its divisors is an integer number (164021256).

Almost surely, 2^328042511 is an apocalyptic number.

328042511 is a deficient number, since it is larger than the sum of its proper divisors (1).

328042511 is an equidigital number, since it uses as much as digits as its factorization.

328042511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 328042511 is about 18111.9438769007. The cubic root of 328042511 is about 689.6732409283.

The spelling of 328042511 in words is "three hundred twenty-eight million, forty-two thousand, five hundred eleven".