389152529 has 2 divisors, whose sum is σ = 389152530. Its totient is φ = 389152528.

The previous prime is 389152507. The next prime is 389152541. The reversal of 389152529 is 925251983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360240400 + 28912129 = 18980^2 + 5377^2 .

It is a cyclic number.

It is not a de Polignac number, because 389152529 - 2²⁰ = 388103953 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389152529.

It is not a weakly prime, because it can be changed into another prime (389157529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194576264 + 194576265.

It is an arithmetic number, because the mean of its divisors is an integer number (194576265).

Almost surely, 2^389152529 is an apocalyptic number.

It is an amenable number.

389152529 is a deficient number, since it is larger than the sum of its proper divisors (1).

389152529 is an equidigital number, since it uses as much as digits as its factorization.

389152529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 389152529 is about 19726.9493079898. The cubic root of 389152529 is about 730.0847646614.

The spelling of 389152529 in words is "three hundred eighty-nine million, one hundred fifty-two thousand, five hundred twenty-nine".