328825789 has 2 divisors, whose sum is σ = 328825790. Its totient is φ = 328825788.

The previous prime is 328825769. The next prime is 328825853. The reversal of 328825789 is 987528823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286184889 + 42640900 = 16917^2 + 6530^2 .

It is an emirp because it is prime and its reverse (987528823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328825789 - 2¹³ = 328817597 is a prime.

It is a super-2 number, since 2×328825789² = 216252799022945042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328825759) 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, 164412894 + 164412895.

It is an arithmetic number, because the mean of its divisors is an integer number (164412895).

Almost surely, 2^328825789 is an apocalyptic number.

It is an amenable number.

328825789 is a deficient number, since it is larger than the sum of its proper divisors (1).

328825789 is an equidigital number, since it uses as much as digits as its factorization.

328825789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 328825789 is about 18133.5542296594. The cubic root of 328825789 is about 690.2217231852.

The spelling of 328825789 in words is "three hundred twenty-eight million, eight hundred twenty-five thousand, seven hundred eighty-nine".