195342647 has 4 divisors (see below), whose sum is σ = 200622216. Its totient is φ = 190063080.

The previous prime is 195342643. The next prime is 195342649. The reversal of 195342647 is 746243591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746243591 = 7001 ⋅106591.

It is not a de Polignac number, because 195342647 - 2² = 195342643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195342643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639729 + ... + 2639802.

It is an arithmetic number, because the mean of its divisors is an integer number (50155554).

Almost surely, 2^195342647 is an apocalyptic number.

195342647 is a deficient number, since it is larger than the sum of its proper divisors (5279569).

195342647 is an equidigital number, since it uses as much as digits as its factorization.

195342647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279568.

The product of its digits is 181440, while the sum is 41.

The square root of 195342647 is about 13976.5033896179. The cubic root of 195342647 is about 580.2284543946.

The spelling of 195342647 in words is "one hundred ninety-five million, three hundred forty-two thousand, six hundred forty-seven".