197000717 has 2 divisors, whose sum is σ = 197000718. Its totient is φ = 197000716.

The previous prime is 197000707. The next prime is 197000719. The reversal of 197000717 is 717000791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186431716 + 10569001 = 13654^2 + 3251^2 .

It is a cyclic number.

It is not a de Polignac number, because 197000717 - 2⁴ = 197000701 is a prime.

Together with 197000719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197000719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98500358 + 98500359.

It is an arithmetic number, because the mean of its divisors is an integer number (98500359).

Almost surely, 2^197000717 is an apocalyptic number.

It is an amenable number.

197000717 is a deficient number, since it is larger than the sum of its proper divisors (1).

197000717 is an equidigital number, since it uses as much as digits as its factorization.

197000717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3087, while the sum is 32.

The square root of 197000717 is about 14035.6943896624. The cubic root of 197000717 is about 581.8654926660.

The spelling of 197000717 in words is "one hundred ninety-seven million, seven hundred seventeen", and thus it is an aban number.