328033109 has 2 divisors, whose sum is σ = 328033110. Its totient is φ = 328033108.

The previous prime is 328033063. The next prime is 328033129. The reversal of 328033109 is 901330823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327972100 + 61009 = 18110^2 + 247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328033109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328033129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164016554 + 164016555.

It is an arithmetic number, because the mean of its divisors is an integer number (164016555).

Almost surely, 2^328033109 is an apocalyptic number.

It is an amenable number.

328033109 is a deficient number, since it is larger than the sum of its proper divisors (1).

328033109 is an equidigital number, since it uses as much as digits as its factorization.

328033109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 328033109 is about 18111.6843225582. The cubic root of 328033109 is about 689.6666519756. Note that the first 4 decimals are identical.

The spelling of 328033109 in words is "three hundred twenty-eight million, thirty-three thousand, one hundred nine".