189508825 has 24 divisors (see below), whose sum is σ = 258929856. Its totient is φ = 136440000.

The previous prime is 189508819. The next prime is 189508829. The reversal of 189508825 is 528805981.

It is not a de Polignac number, because 189508825 - 2⁹ = 189508313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189508829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24364 + ... + 31186.

It is an arithmetic number, because the mean of its divisors is an integer number (10788744).

Almost surely, 2^189508825 is an apocalyptic number.

It is an amenable number.

189508825 is a deficient number, since it is larger than the sum of its proper divisors (69421031).

189508825 is a wasteful number, since it uses less digits than its factorization.

189508825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945 (or 6940 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 189508825 is about 13766.2204326387. The cubic root of 189508825 is about 574.3938918861.

The spelling of 189508825 in words is "one hundred eighty-nine million, five hundred eight thousand, eight hundred twenty-five".