2066003 has 12 divisors (see below), whose sum is σ = 2240280. Its totient is φ = 1904256.

The previous prime is 2065997. The next prime is 2066017. The reversal of 2066003 is 3006602.

It is not a de Polignac number, because 2066003 - 2¹² = 2061907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21251 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (186690).

2^2066003 is an apocalyptic number.

2066003 is a deficient number, since it is larger than the sum of its proper divisors (174277).

2066003 is an equidigital number, since it uses as much as digits as its factorization.

2066003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2066003 is about 1437.3597322869. The cubic root of 2066003 is about 127.3631082355.

The spelling of 2066003 in words is "two million, sixty-six thousand, three".