189075825 has 36 divisors (see below), whose sum is σ = 344419920. Its totient is φ = 99124320.

The previous prime is 189075793. The next prime is 189075839. The reversal of 189075825 is 528570981.

It is a happy number.

It is not a de Polignac number, because 189075825 - 2⁵ = 189075793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6154 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (9567220).

Almost surely, 2^189075825 is an apocalyptic number.

189075825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189075825 is a deficient number, since it is larger than the sum of its proper divisors (155344095).

189075825 is a wasteful number, since it uses less digits than its factorization.

189075825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318 (or 14310 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 189075825 is about 13750.4845369172. The cubic root of 189075825 is about 573.9560895481.

The spelling of 189075825 in words is "one hundred eighty-nine million, seventy-five thousand, eight hundred twenty-five".