2066069 has 2 divisors, whose sum is σ = 2066070. Its totient is φ = 2066068.

The previous prime is 2066059. The next prime is 2066081. The reversal of 2066069 is 9606602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 877969 = 1090^2 + 937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066069 is a prime.

It is a super-2 number, since 2×2066069² = 8537282225522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033034 + 1033035.

It is an arithmetic number, because the mean of its divisors is an integer number (1033035).

2^2066069 is an apocalyptic number.

It is an amenable number.

2066069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066069 is an equidigital number, since it uses as much as digits as its factorization.

2066069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2066069 is about 1437.3826908656. The cubic root of 2066069 is about 127.3644644575.

The spelling of 2066069 in words is "two million, sixty-six thousand, sixty-nine".