389152507 has 2 divisors, whose sum is σ = 389152508. Its totient is φ = 389152506.

The previous prime is 389152493. The next prime is 389152529. The reversal of 389152507 is 705251983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389152507 - 2¹⁵ = 389119739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389152507.

It is not a weakly prime, because it can be changed into another prime (389152567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194576253 + 194576254.

It is an arithmetic number, because the mean of its divisors is an integer number (194576254).

Almost surely, 2^389152507 is an apocalyptic number.

389152507 is a deficient number, since it is larger than the sum of its proper divisors (1).

389152507 is an equidigital number, since it uses as much as digits as its factorization.

389152507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 389152507 is about 19726.9487503770. The cubic root of 389152507 is about 730.0847509034.

The spelling of 389152507 in words is "three hundred eighty-nine million, one hundred fifty-two thousand, five hundred seven".