189395425 has 12 divisors (see below), whose sum is σ = 236167920. Its totient is φ = 150666320.

The previous prime is 189395387. The next prime is 189395429. The reversal of 189395425 is 524593981.

It is not a de Polignac number, because 189395425 - 2²⁷ = 55177697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189395429) 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, 16687 + ... + 25636.

It is an arithmetic number, because the mean of its divisors is an integer number (19680660).

Almost surely, 2^189395425 is an apocalyptic number.

It is an amenable number.

189395425 is a deficient number, since it is larger than the sum of its proper divisors (46772495).

189395425 is a wasteful number, since it uses less digits than its factorization.

189395425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42512 (or 42507 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 189395425 is about 13762.1010387222. The cubic root of 189395425 is about 574.2792986933.

The spelling of 189395425 in words is "one hundred eighty-nine million, three hundred ninety-five thousand, four hundred twenty-five".