328335247 has 2 divisors, whose sum is σ = 328335248. Its totient is φ = 328335246.

The previous prime is 328335223. The next prime is 328335251. The reversal of 328335247 is 742533823.

It is a strong prime.

It is an emirp because it is prime and its reverse (742533823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328335247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328335947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164167623 + 164167624.

It is an arithmetic number, because the mean of its divisors is an integer number (164167624).

Almost surely, 2^328335247 is an apocalyptic number.

328335247 is a deficient number, since it is larger than the sum of its proper divisors (1).

328335247 is an equidigital number, since it uses as much as digits as its factorization.

328335247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 328335247 is about 18120.0233719496. The cubic root of 328335247 is about 689.8783283327.

The spelling of 328335247 in words is "three hundred twenty-eight million, three hundred thirty-five thousand, two hundred forty-seven".