195819625 has 16 divisors (see below), whose sum is σ = 249590016. Its totient is φ = 153318000.

The previous prime is 195819607. The next prime is 195819667. The reversal of 195819625 is 526918591.

It is not a de Polignac number, because 195819625 - 2⁵ = 195819593 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 10791 + ... + 22540.

It is an arithmetic number, because the mean of its divisors is an integer number (15599376).

Almost surely, 2^195819625 is an apocalyptic number.

It is an amenable number.

195819625 is a deficient number, since it is larger than the sum of its proper divisors (53770391).

195819625 is an equidigital number, since it uses as much as digits as its factorization.

195819625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33393 (or 33383 counting only the distinct ones).

The product of its digits is 194400, while the sum is 46.

The square root of 195819625 is about 13993.5565529282. The cubic root of 195819625 is about 580.7003282370.

The spelling of 195819625 in words is "one hundred ninety-five million, eight hundred nineteen thousand, six hundred twenty-five".