2066317 has 6 divisors (see below), whose sum is σ = 2271374. Its totient is φ = 1878360.

The previous prime is 2066293. The next prime is 2066321. The reversal of 2066317 is 7136602.

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 352836 = 1309^2 + 594^2 .

It is not a de Polignac number, because 2066317 - 2¹⁹ = 1542029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066291 and 2066300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8418 + ... + 8659.

2^2066317 is an apocalyptic number.

It is an amenable number.

2066317 is a deficient number, since it is larger than the sum of its proper divisors (205057).

2066317 is a wasteful number, since it uses less digits than its factorization.

2066317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17099 (or 17088 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2066317 is about 1437.4689561865. The cubic root of 2066317 is about 127.3695603059.

The spelling of 2066317 in words is "two million, sixty-six thousand, three hundred seventeen".