195705373 has 2 divisors, whose sum is σ = 195705374. Its totient is φ = 195705372.

The previous prime is 195705361. The next prime is 195705379. The reversal of 195705373 is 373507591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132296004 + 63409369 = 11502^2 + 7963^2 .

It is an emirp because it is prime and its reverse (373507591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195705373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195705379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97852686 + 97852687.

It is an arithmetic number, because the mean of its divisors is an integer number (97852687).

Almost surely, 2^195705373 is an apocalyptic number.

It is an amenable number.

195705373 is a deficient number, since it is larger than the sum of its proper divisors (1).

195705373 is an equidigital number, since it uses as much as digits as its factorization.

195705373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 195705373 is about 13989.4736498555. The cubic root of 195705373 is about 580.5873687018.

The spelling of 195705373 in words is "one hundred ninety-five million, seven hundred five thousand, three hundred seventy-three".