195893 has 2 divisors, whose sum is σ = 195894. Its totient is φ = 195892.

The previous prime is 195887. The next prime is 195907. The reversal of 195893 is 398591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 529 = 442^2 + 23^2 .

It is an emirp because it is prime and its reverse (398591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195893 - 2¹⁰ = 194869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97946 + 97947.

It is an arithmetic number, because the mean of its divisors is an integer number (97947).

2¹⁹⁵⁸⁹³ is an apocalyptic number.

It is an amenable number.

195893 is a deficient number, since it is larger than the sum of its proper divisors (1).

195893 is an equidigital number, since it uses as much as digits as its factorization.

195893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 195893 is about 442.5980117443. The cubic root of 195893 is about 58.0772850021.

The spelling of 195893 in words is "one hundred ninety-five thousand, eight hundred ninety-three".