389151925 has 12 divisors (see below), whose sum is σ = 486074916. Its totient is φ = 309046400.

The previous prime is 389151887. The next prime is 389151929. The reversal of 389151925 is 529151983.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3972049 + 385179876 = 1993^2 + 19626^2 .

It is not a de Polignac number, because 389151925 - 2⁷ = 389151797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389151929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53386 + ... + 60235.

It is an arithmetic number, because the mean of its divisors is an integer number (40506243).

Almost surely, 2^389151925 is an apocalyptic number.

It is an amenable number.

389151925 is a deficient number, since it is larger than the sum of its proper divisors (96922991).

389151925 is a wasteful number, since it uses less digits than its factorization.

389151925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113768 (or 113763 counting only the distinct ones).

The product of its digits is 97200, while the sum is 43.

The square root of 389151925 is about 19726.9339989771. The cubic root of 389151925 is about 730.0843869419.

The spelling of 389151925 in words is "three hundred eighty-nine million, one hundred fifty-one thousand, nine hundred twenty-five".