195193197 has 12 divisors (see below), whose sum is σ = 284853660. Its totient is φ = 128786688.

The previous prime is 195193183. The next prime is 195193199. The reversal of 195193197 is 791391591.

It is a happy number.

195193197 is a `hidden beast` number, since 19 + 519 + 31 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88566921 + 106626276 = 9411^2 + 10326^2 .

It is not a de Polignac number, because 195193197 - 2⁷ = 195193069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195193199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110922 + ... + 112667.

It is an arithmetic number, because the mean of its divisors is an integer number (23737805).

Almost surely, 2^195193197 is an apocalyptic number.

It is an amenable number.

195193197 is a deficient number, since it is larger than the sum of its proper divisors (89660463).

195193197 is a wasteful number, since it uses less digits than its factorization.

195193197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223692 (or 223689 counting only the distinct ones).

The product of its digits is 76545, while the sum is 45.

The square root of 195193197 is about 13971.1558934828. The cubic root of 195193197 is about 580.0804456392.

The spelling of 195193197 in words is "one hundred ninety-five million, one hundred ninety-three thousand, one hundred ninety-seven".