189368025 has 96 divisors (see below), whose sum is σ = 395022336. Its totient is φ = 78408000.

The previous prime is 189368009. The next prime is 189368077. The reversal of 189368025 is 520863981.

189368025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189368025 - 2⁴ = 189368009 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 698640 + ... + 698910.

It is an arithmetic number, because the mean of its divisors is an integer number (4114816).

Almost surely, 2^189368025 is an apocalyptic number.

189368025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189368025 is an abundant number, since it is smaller than the sum of its proper divisors (205654311).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189368025 is a wasteful number, since it uses less digits than its factorization.

189368025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 189368025 is about 13761.1055151830. The cubic root of 189368025 is about 574.2516035301.

The spelling of 189368025 in words is "one hundred eighty-nine million, three hundred sixty-eight thousand, twenty-five".