195545225 has 12 divisors (see below), whose sum is σ = 242692800. Its totient is φ = 156296400.

The previous prime is 195545219. The next prime is 195545263. The reversal of 195545225 is 522545591.

195545225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195545225 - 2²² = 191350921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32180 + ... + 37770.

It is an arithmetic number, because the mean of its divisors is an integer number (20224400).

Almost surely, 2^195545225 is an apocalyptic number.

It is an amenable number.

195545225 is a deficient number, since it is larger than the sum of its proper divisors (47147575).

195545225 is a wasteful number, since it uses less digits than its factorization.

195545225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 6995 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 195545225 is about 13983.7486032895. The cubic root of 195545225 is about 580.4289583352.

The spelling of 195545225 in words is "one hundred ninety-five million, five hundred forty-five thousand, two hundred twenty-five".