2070217 has 2 divisors, whose sum is σ = 2070218. Its totient is φ = 2070216.

The previous prime is 2070203. The next prime is 2070239. The reversal of 2070217 is 7120702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 687241 = 1176^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070217 - 2¹⁵ = 2037449 is a prime.

It is a Chen prime.

2070217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2070194 and 2070203.

It is not a weakly prime, because it can be changed into another prime (2070287) 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 as a sum of consecutive naturals, namely, 1035108 + 1035109.

It is an arithmetic number, because the mean of its divisors is an integer number (1035109).

2^2070217 is an apocalyptic number.

It is an amenable number.

2070217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070217 is an equidigital number, since it uses as much as digits as its factorization.

2070217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2070217 is about 1438.8248677306. The cubic root of 2070217 is about 127.4496430640.

Adding to 2070217 its reverse (7120702), we get a palindrome (9190919).

The spelling of 2070217 in words is "two million, seventy thousand, two hundred seventeen".