328145417 has 2 divisors, whose sum is σ = 328145418. Its totient is φ = 328145416.

The previous prime is 328145383. The next prime is 328145443. The reversal of 328145417 is 714541823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306810256 + 21335161 = 17516^2 + 4619^2 .

It is a cyclic number.

It is not a de Polignac number, because 328145417 - 2⁸ = 328145161 is a prime.

It is not a weakly prime, because it can be changed into another prime (328148417) 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, 164072708 + 164072709.

It is an arithmetic number, because the mean of its divisors is an integer number (164072709).

Almost surely, 2^328145417 is an apocalyptic number.

It is an amenable number.

328145417 is a deficient number, since it is larger than the sum of its proper divisors (1).

328145417 is an equidigital number, since it uses as much as digits as its factorization.

328145417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 328145417 is about 18114.7844867114. The cubic root of 328145417 is about 689.7453495649.

The spelling of 328145417 in words is "three hundred twenty-eight million, one hundred forty-five thousand, four hundred seventeen".