195888125 has 20 divisors (see below), whose sum is σ = 255443232. Its totient is φ = 149886000.

The previous prime is 195888109. The next prime is 195888131. The reversal of 195888125 is 521888591.

It is a happy number.

It is not a de Polignac number, because 195888125 - 2⁴ = 195888109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195888125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7562 + ... + 21188.

Almost surely, 2^195888125 is an apocalyptic number.

It is an amenable number.

195888125 is a deficient number, since it is larger than the sum of its proper divisors (59555107).

195888125 is an equidigital number, since it uses as much as digits as its factorization.

195888125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670 (or 13655 counting only the distinct ones).

The product of its digits is 230400, while the sum is 47.

The square root of 195888125 is about 13996.0038939692. The cubic root of 195888125 is about 580.7680322701.

The spelling of 195888125 in words is "one hundred ninety-five million, eight hundred eighty-eight thousand, one hundred twenty-five".