2043003 has 4 divisors (see below), whose sum is σ = 2724008. Its totient is φ = 1362000.

The previous prime is 2043001. The next prime is 2043007. The reversal of 2043003 is 3003402.

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

It is not a de Polignac number, because 2043003 - 2¹ = 2043001 is a prime.

It is a super-2 number, since 2×2043003² = 8347722516018, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043003.

It is not an unprimeable number, because it can be changed into a prime (2043001) 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, 340498 + ... + 340503.

It is an arithmetic number, because the mean of its divisors is an integer number (681002).

2^2043003 is an apocalyptic number.

2043003 is a deficient number, since it is larger than the sum of its proper divisors (681005).

2043003 is an equidigital number, since it uses as much as digits as its factorization.

2043003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681004.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2043003 is about 1429.3365593869. The cubic root of 2043003 is about 126.8887156260. Note that the first 3 decimals are identical.

Adding to 2043003 its reverse (3003402), we get a palindrome (5046405).

The spelling of 2043003 in words is "two million, forty-three thousand, three".