495866717 has 2 divisors, whose sum is σ = 495866718. Its totient is φ = 495866716.

The previous prime is 495866677. The next prime is 495866741. The reversal of 495866717 is 717668594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490799716 + 5067001 = 22154^2 + 2251^2 .

It is a cyclic number.

It is not a de Polignac number, because 495866717 - 2²⁰ = 494818141 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 (495866747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247933358 + 247933359.

It is an arithmetic number, because the mean of its divisors is an integer number (247933359).

Almost surely, 2^495866717 is an apocalyptic number.

It is an amenable number.

495866717 is a deficient number, since it is larger than the sum of its proper divisors (1).

495866717 is an equidigital number, since it uses as much as digits as its factorization.

495866717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 495866717 is about 22268.0649585904. The cubic root of 495866717 is about 791.5074124031.

The spelling of 495866717 in words is "four hundred ninety-five million, eight hundred sixty-six thousand, seven hundred seventeen".