195071 has 2 divisors, whose sum is σ = 195072. Its totient is φ = 195070.

The previous prime is 195053. The next prime is 195077. The reversal of 195071 is 170591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97535 + 97536.

It is an arithmetic number, because the mean of its divisors is an integer number (97536).

2¹⁹⁵⁰⁷¹ is an apocalyptic number.

195071 is a deficient number, since it is larger than the sum of its proper divisors (1).

195071 is an equidigital number, since it uses as much as digits as its factorization.

195071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 195071 is about 441.6684276694. The cubic root of 195071 is about 57.9959370915.

The spelling of 195071 in words is "one hundred ninety-five thousand, seventy-one".