328610129 has 2 divisors, whose sum is σ = 328610130. Its totient is φ = 328610128.

The previous prime is 328610089. The next prime is 328610147. The reversal of 328610129 is 921016823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317374225 + 11235904 = 17815^2 + 3352^2 .

It is an emirp because it is prime and its reverse (921016823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328610129 is a prime.

It is equal to p_17714534 and since 328610129 and 17714534 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 328610095 and 328610104.

It is not a weakly prime, because it can be changed into another prime (328610159) 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, 164305064 + 164305065.

It is an arithmetic number, because the mean of its divisors is an integer number (164305065).

Almost surely, 2^328610129 is an apocalyptic number.

It is an amenable number.

328610129 is a deficient number, since it is larger than the sum of its proper divisors (1).

328610129 is an equidigital number, since it uses as much as digits as its factorization.

328610129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 328610129 is about 18127.6068194343. The cubic root of 328610129 is about 690.0707964885.

The spelling of 328610129 in words is "three hundred twenty-eight million, six hundred ten thousand, one hundred twenty-nine".