189403325 has 6 divisors (see below), whose sum is σ = 234860154. Its totient is φ = 151522640.

The previous prime is 189403297. The next prime is 189403349. The reversal of 189403325 is 523304981.

It can be written as a sum of positive squares in 3 ways, for example, as 643204 + 188760121 = 802^2 + 13739^2 .

It is not a de Polignac number, because 189403325 - 2¹⁴ = 189386941 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 3788042 + ... + 3788091.

It is an arithmetic number, because the mean of its divisors is an integer number (39143359).

Almost surely, 2^189403325 is an apocalyptic number.

It is an amenable number.

189403325 is a deficient number, since it is larger than the sum of its proper divisors (45456829).

189403325 is an equidigital number, since it uses as much as digits as its factorization.

189403325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576143 (or 7576138 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 189403325 is about 13762.3880558572. The cubic root of 189403325 is about 574.2872832990.

The spelling of 189403325 in words is "one hundred eighty-nine million, four hundred three thousand, three hundred twenty-five".