195795305 has 8 divisors (see below), whose sum is σ = 241304712. Its totient is φ = 152402688.

The previous prime is 195795293. The next prime is 195795359. The reversal of 195795305 is 503597591.

It can be written as a sum of positive squares in 4 ways, for example, as 63936016 + 131859289 = 7996^2 + 11483^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 195795305 - 2⁴ = 195795289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528992 + ... + 529361.

It is an arithmetic number, because the mean of its divisors is an integer number (30163089).

Almost surely, 2^195795305 is an apocalyptic number.

It is an amenable number.

195795305 is a deficient number, since it is larger than the sum of its proper divisors (45509407).

195795305 is a wasteful number, since it uses less digits than its factorization.

195795305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058395.

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 195795305 is about 13992.6875545765. The cubic root of 195795305 is about 580.6762870363.

The spelling of 195795305 in words is "one hundred ninety-five million, seven hundred ninety-five thousand, three hundred five".