195366097 has 2 divisors, whose sum is σ = 195366098. Its totient is φ = 195366096.

The previous prime is 195366049. The next prime is 195366121. The reversal of 195366097 is 790663591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101586241 + 93779856 = 10079^2 + 9684^2 .

It is a cyclic number.

It is not a de Polignac number, because 195366097 - 2¹⁵ = 195333329 is a prime.

It is not a weakly prime, because it can be changed into another prime (195366007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97683048 + 97683049.

It is an arithmetic number, because the mean of its divisors is an integer number (97683049).

Almost surely, 2^195366097 is an apocalyptic number.

It is an amenable number.

195366097 is a deficient number, since it is larger than the sum of its proper divisors (1).

195366097 is an equidigital number, since it uses as much as digits as its factorization.

195366097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 195366097 is about 13977.3422724064. The cubic root of 195366097 is about 580.2516713982.

The spelling of 195366097 in words is "one hundred ninety-five million, three hundred sixty-six thousand, ninety-seven".