195323297 has 4 divisors (see below), whose sum is σ = 210348180. Its totient is φ = 180298416.

The previous prime is 195323273. The next prime is 195323309. The reversal of 195323297 is 792323591.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71757841 + 123565456 = 8471^2 + 11116^2 .

It is a cyclic number.

It is not a de Polignac number, because 195323297 - 2⁸ = 195323041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195326297) 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 in 3 ways as a sum of consecutive naturals, for example, 7512422 + ... + 7512447.

It is an arithmetic number, because the mean of its divisors is an integer number (52587045).

Almost surely, 2^195323297 is an apocalyptic number.

It is an amenable number.

195323297 is a deficient number, since it is larger than the sum of its proper divisors (15024883).

195323297 is a wasteful number, since it uses less digits than its factorization.

195323297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024882.

The product of its digits is 102060, while the sum is 41.

The square root of 195323297 is about 13975.8111392506. The cubic root of 195323297 is about 580.2092952547.

The spelling of 195323297 in words is "one hundred ninety-five million, three hundred twenty-three thousand, two hundred ninety-seven".