192115717 has 2 divisors, whose sum is σ = 192115718. Its totient is φ = 192115716.

The previous prime is 192115681. The next prime is 192115739. The reversal of 192115717 is 717511291.

192115717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110376036 + 81739681 = 10506^2 + 9041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192115717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192115117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96057858 + 96057859.

It is an arithmetic number, because the mean of its divisors is an integer number (96057859).

Almost surely, 2^192115717 is an apocalyptic number.

It is an amenable number.

192115717 is a deficient number, since it is larger than the sum of its proper divisors (1).

192115717 is an equidigital number, since it uses as much as digits as its factorization.

192115717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 34.

The square root of 192115717 is about 13860.5814091617. The cubic root of 192115717 is about 577.0157026205.

The spelling of 192115717 in words is "one hundred ninety-two million, one hundred fifteen thousand, seven hundred seventeen".