499994717 has 2 divisors, whose sum is σ = 499994718. Its totient is φ = 499994716.

The previous prime is 499994711. The next prime is 499994731. The reversal of 499994717 is 717499994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342768196 + 157226521 = 18514^2 + 12539^2 .

It is a cyclic number.

It is not a de Polignac number, because 499994717 - 2¹⁴ = 499978333 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 (499994711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249997358 + 249997359.

It is an arithmetic number, because the mean of its divisors is an integer number (249997359).

Almost surely, 2^499994717 is an apocalyptic number.

It is an amenable number.

499994717 is a deficient number, since it is larger than the sum of its proper divisors (1).

499994717 is an equidigital number, since it uses as much as digits as its factorization.

499994717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 59.

The square root of 499994717 is about 22360.5616432146. The cubic root of 499994717 is about 793.6977305610.

The spelling of 499994717 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, seven hundred seventeen".