195297297 has 8 divisors (see below), whose sum is σ = 280426944. Its totient is φ = 120182928.

The previous prime is 195297293. The next prime is 195297299. The reversal of 195297297 is 792792591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195297297 - 2² = 195297293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195297293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503773 + ... + 2503850.

It is an arithmetic number, because the mean of its divisors is an integer number (35053368).

Almost surely, 2^195297297 is an apocalyptic number.

It is an amenable number.

195297297 is a deficient number, since it is larger than the sum of its proper divisors (85129647).

195297297 is a wasteful number, since it uses less digits than its factorization.

195297297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007639.

The product of its digits is 714420, while the sum is 51.

The square root of 195297297 is about 13974.8809297253. The cubic root of 195297297 is about 580.1835497150.

The spelling of 195297297 in words is "one hundred ninety-five million, two hundred ninety-seven thousand, two hundred ninety-seven".