2066505 has 16 divisors (see below), whose sum is σ = 3778944. Its totient is φ = 944640.

The previous prime is 2066501. The next prime is 2066507. The reversal of 2066505 is 5056602.

It is not a de Polignac number, because 2066505 - 2² = 2066501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9736 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (236184).

2^2066505 is an apocalyptic number.

It is an amenable number.

2066505 is a deficient number, since it is larger than the sum of its proper divisors (1712439).

2066505 is a wasteful number, since it uses less digits than its factorization.

2066505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19696.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2066505 is about 1437.5343474157. The cubic root of 2066505 is about 127.3734230161.

The spelling of 2066505 in words is "two million, sixty-six thousand, five hundred five".