2066717 has 2 divisors, whose sum is σ = 2066718. Its totient is φ = 2066716.

The previous prime is 2066699. The next prime is 2066723. The reversal of 2066717 is 7176602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 481636 = 1259^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066717 - 2⁶ = 2066653 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033358 + 1033359.

It is an arithmetic number, because the mean of its divisors is an integer number (1033359).

2^2066717 is an apocalyptic number.

It is an amenable number.

2066717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066717 is an equidigital number, since it uses as much as digits as its factorization.

2066717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2066717 is about 1437.6080828932. The cubic root of 2066717 is about 127.3777785572.

The spelling of 2066717 in words is "two million, sixty-six thousand, seven hundred seventeen".