2066511 has 8 divisors (see below), whose sum is σ = 2850480. Its totient is φ = 1330112.

The previous prime is 2066509. The next prime is 2066521. The reversal of 2066511 is 1156602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2066511 - 2¹ = 2066509 is a prime.

2066511 is a lucky number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11790 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (356310).

2^2066511 is an apocalyptic number.

2066511 is a deficient number, since it is larger than the sum of its proper divisors (783969).

2066511 is a wasteful number, since it uses less digits than its factorization.

2066511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23785.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2066511 is about 1437.5364343209. The cubic root of 2066511 is about 127.3735462902.

Subtracting from 2066511 its reverse (1156602), we obtain a palindrome (909909).

The spelling of 2066511 in words is "two million, sixty-six thousand, five hundred eleven".