195830961 has 4 divisors (see below), whose sum is σ = 261107952. Its totient is φ = 130553972.

The previous prime is 195830927. The next prime is 195830977. The reversal of 195830961 is 169038591.

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.

It is a cyclic number.

It is not a de Polignac number, because 195830961 - 2⁶ = 195830897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195830911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32638491 + ... + 32638496.

It is an arithmetic number, because the mean of its divisors is an integer number (65276988).

Almost surely, 2^195830961 is an apocalyptic number.

It is an amenable number.

195830961 is a deficient number, since it is larger than the sum of its proper divisors (65276991).

195830961 is an equidigital number, since it uses as much as digits as its factorization.

195830961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65276990.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 195830961 is about 13993.9615906290. The cubic root of 195830961 is about 580.7115336033.

The spelling of 195830961 in words is "one hundred ninety-five million, eight hundred thirty thousand, nine hundred sixty-one".