195495317 has 4 divisors (see below), whose sum is σ = 195717600. Its totient is φ = 195273036.

The previous prime is 195495281. The next prime is 195495319. The reversal of 195495317 is 713594591.

195495317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713594591 = 24691 ⋅28901.

It is a cyclic number.

It is not a de Polignac number, because 195495317 - 2¹⁰ = 195494293 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 (195495319) 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, 109817 + ... + 111582.

It is an arithmetic number, because the mean of its divisors is an integer number (48929400).

Almost surely, 2^195495317 is an apocalyptic number.

It is an amenable number.

195495317 is a deficient number, since it is larger than the sum of its proper divisors (222283).

195495317 is an equidigital number, since it uses as much as digits as its factorization.

195495317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222282.

The product of its digits is 170100, while the sum is 44.

The square root of 195495317 is about 13981.9639893686. The cubic root of 195495317 is about 580.3795741698.

The spelling of 195495317 in words is "one hundred ninety-five million, four hundred ninety-five thousand, three hundred seventeen".