195805741 has 4 divisors (see below), whose sum is σ = 195846012. Its totient is φ = 195765472.

The previous prime is 195805721. The next prime is 195805787. The reversal of 195805741 is 147508591.

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 43283241 + 152522500 = 6579^2 + 12350^2 .

It is a cyclic number.

It is not a de Polignac number, because 195805741 - 2¹¹ = 195803693 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195805694 and 195805703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195805721) 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, 11650 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (48961503).

Almost surely, 2^195805741 is an apocalyptic number.

It is an amenable number.

195805741 is a deficient number, since it is larger than the sum of its proper divisors (40271).

195805741 is an equidigital number, since it uses as much as digits as its factorization.

195805741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40270.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 195805741 is about 13993.0604586702. The cubic root of 195805741 is about 580.6866036441.

The spelling of 195805741 in words is "one hundred ninety-five million, eight hundred five thousand, seven hundred forty-one".