2066101 has 2 divisors, whose sum is σ = 2066102. Its totient is φ = 2066100.

The previous prime is 2066083. The next prime is 2066111. The reversal of 2066101 is 1016602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1957201 + 108900 = 1399^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066101 - 2⁵ = 2066069 is a prime.

2066101 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066111) 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, 1033050 + 1033051.

It is an arithmetic number, because the mean of its divisors is an integer number (1033051).

2^2066101 is an apocalyptic number.

It is an amenable number.

2066101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066101 is an equidigital number, since it uses as much as digits as its factorization.

2066101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2066101 is about 1437.3938221657. The cubic root of 2066101 is about 127.3651220092.

The spelling of 2066101 in words is "two million, sixty-six thousand, one hundred one".