195196117 has 2 divisors, whose sum is σ = 195196118. Its totient is φ = 195196116.

The previous prime is 195196103. The next prime is 195196207. The reversal of 195196117 is 711691591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169885156 + 25310961 = 13034^2 + 5031^2 .

It is a cyclic number.

It is not a de Polignac number, because 195196117 - 2²⁷ = 60978389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195196117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195196517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97598058 + 97598059.

It is an arithmetic number, because the mean of its divisors is an integer number (97598059).

Almost surely, 2^195196117 is an apocalyptic number.

It is an amenable number.

195196117 is a deficient number, since it is larger than the sum of its proper divisors (1).

195196117 is an equidigital number, since it uses as much as digits as its factorization.

195196117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 40.

The square root of 195196117 is about 13971.2603941090. The cubic root of 195196117 is about 580.0833382032.

The spelling of 195196117 in words is "one hundred ninety-five million, one hundred ninety-six thousand, one hundred seventeen".