2066149 has 2 divisors, whose sum is σ = 2066150. Its totient is φ = 2066148.

The previous prime is 2066137. The next prime is 2066153. The reversal of 2066149 is 9416602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288225 + 777924 = 1135^2 + 882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066149 is a prime.

It is a Chen prime.

2066149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066179) 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, 1033074 + 1033075.

It is an arithmetic number, because the mean of its divisors is an integer number (1033075).

2^2066149 is an apocalyptic number.

It is an amenable number.

2066149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066149 is an equidigital number, since it uses as much as digits as its factorization.

2066149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2066149 is about 1437.4105189541. The cubic root of 2066149 is about 127.3661083241.

The spelling of 2066149 in words is "two million, sixty-six thousand, one hundred forty-nine".