195795293 has 2 divisors, whose sum is σ = 195795294. Its totient is φ = 195795292.

The previous prime is 195795289. The next prime is 195795359. The reversal of 195795293 is 392597591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195244729 + 550564 = 13973^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 195795293 - 2² = 195795289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195795203) by changing a digit.

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 as a sum of consecutive naturals, namely, 97897646 + 97897647.

It is an arithmetic number, because the mean of its divisors is an integer number (97897647).

Almost surely, 2^195795293 is an apocalyptic number.

It is an amenable number.

195795293 is a deficient number, since it is larger than the sum of its proper divisors (1).

195795293 is an equidigital number, since it uses as much as digits as its factorization.

195795293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765450, while the sum is 50.

The square root of 195795293 is about 13992.6871257811. The cubic root of 195795293 is about 580.6762751734.

The spelling of 195795293 in words is "one hundred ninety-five million, seven hundred ninety-five thousand, two hundred ninety-three".