189533125 has 20 divisors (see below), whose sum is σ = 245030940. Its totient is φ = 146384000.

The previous prime is 189533107. The next prime is 189533137. The reversal of 189533125 is 521335981.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 101586241 + 87946884 = 10079^2 + 9378^2 .

It is not a de Polignac number, because 189533125 - 2⁷ = 189532997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12897 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (12251547).

Almost surely, 2^189533125 is an apocalyptic number.

It is an amenable number.

189533125 is a deficient number, since it is larger than the sum of its proper divisors (55497815).

189533125 is an equidigital number, since it uses as much as digits as its factorization.

189533125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506 (or 10491 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 189533125 is about 13767.1029995421. The cubic root of 189533125 is about 574.4184416224.

The spelling of 189533125 in words is "one hundred eighty-nine million, five hundred thirty-three thousand, one hundred twenty-five".