195143083 has 2 divisors, whose sum is σ = 195143084. Its totient is φ = 195143082.

The previous prime is 195143057. The next prime is 195143093. The reversal of 195143083 is 380341591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195143083 is a prime.

It is not a weakly prime, because it can be changed into another prime (195143023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97571541 + 97571542.

It is an arithmetic number, because the mean of its divisors is an integer number (97571542).

Almost surely, 2^195143083 is an apocalyptic number.

195143083 is a deficient number, since it is larger than the sum of its proper divisors (1).

195143083 is an equidigital number, since it uses as much as digits as its factorization.

195143083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 195143083 is about 13969.3622975424. The cubic root of 195143083 is about 580.0307980079.

The spelling of 195143083 in words is "one hundred ninety-five million, one hundred forty-three thousand, eighty-three".