2066131 has 4 divisors (see below), whose sum is σ = 2100064. Its totient is φ = 2032200.

The previous prime is 2066123. The next prime is 2066137. The reversal of 2066131 is 1316602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066131 - 2³ = 2066123 is a prime.

It is a super-2 number, since 2×2066131² = 8537794618322, which contains 22 as substring.

It is a Duffinian number.

2066131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2066099 and 2066108.

It is not an unprimeable number, because it can be changed into a prime (2066137) 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 in 3 ways as a sum of consecutive naturals, for example, 16875 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (525016).

2^2066131 is an apocalyptic number.

2066131 is a deficient number, since it is larger than the sum of its proper divisors (33933).

2066131 is an equidigital number, since it uses as much as digits as its factorization.

2066131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33932.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2066131 is about 1437.4042576812. The cubic root of 2066131 is about 127.3657384578.

It can be divided in two parts, 2066 and 131, that added together give a cube (2197 = 13³).

The spelling of 2066131 in words is "two million, sixty-six thousand, one hundred thirty-one".