195707273 has 2 divisors, whose sum is σ = 195707274. Its totient is φ = 195707272.

The previous prime is 195707263. The next prime is 195707279. The reversal of 195707273 is 372707591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166848889 + 28858384 = 12917^2 + 5372^2 .

It is a cyclic number.

It is not a de Polignac number, because 195707273 - 2⁶ = 195707209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195707273.

It is not a weakly prime, because it can be changed into another prime (195707279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97853636 + 97853637.

It is an arithmetic number, because the mean of its divisors is an integer number (97853637).

Almost surely, 2^195707273 is an apocalyptic number.

It is an amenable number.

195707273 is a deficient number, since it is larger than the sum of its proper divisors (1).

195707273 is an equidigital number, since it uses as much as digits as its factorization.

195707273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 195707273 is about 13989.5415578925. The cubic root of 195707273 is about 580.5892475677.

The spelling of 195707273 in words is "one hundred ninety-five million, seven hundred seven thousand, two hundred seventy-three".