328571429 has 2 divisors, whose sum is σ = 328571430. Its totient is φ = 328571428.

The previous prime is 328571381. The next prime is 328571459. The reversal of 328571429 is 924175823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279892900 + 48678529 = 16730^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 328571429 - 2¹² = 328567333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328571459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164285714 + 164285715.

It is an arithmetic number, because the mean of its divisors is an integer number (164285715).

Almost surely, 2^328571429 is an apocalyptic number.

It is an amenable number.

328571429 is a deficient number, since it is larger than the sum of its proper divisors (1).

328571429 is an equidigital number, since it uses as much as digits as its factorization.

328571429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 328571429 is about 18126.5393553210. The cubic root of 328571429 is about 690.0437058362.

The spelling of 328571429 in words is "three hundred twenty-eight million, five hundred seventy-one thousand, four hundred twenty-nine".