2066303 has 4 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 2062848.

The previous prime is 2066293. The next prime is 2066321. The reversal of 2066303 is 3036602.

It is a happy number.

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 2066303 - 2⁴ = 2066287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

2^2066303 is an apocalyptic number.

2066303 is a deficient number, since it is larger than the sum of its proper divisors (3457).

2066303 is an equidigital number, since it uses as much as digits as its factorization.

2066303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2066303 is about 1437.4640865079. The cubic root of 2066303 is about 127.3692726479.

Subtracting 2066303 from its reverse (3036602), we obtain a cube (970299 = 99³).

The spelling of 2066303 in words is "two million, sixty-six thousand, three hundred three".