2010003 has 4 divisors (see below), whose sum is σ = 2680008. Its totient is φ = 1340000.

The previous prime is 2009999. The next prime is 2010017. The reversal of 2010003 is 3000102.

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 2010003 - 2² = 2009999 is a prime.

It is a super-2 number, since 2×2010003² = 8080224120018, which contains 22 as substring.

It is a D-number.

2010003 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2009973 and 2010000.

It is not an unprimeable number, because it can be changed into a prime (2010023) 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, 334998 + ... + 335003.

It is an arithmetic number, because the mean of its divisors is an integer number (670002).

2^2010003 is an apocalyptic number.

2010003 is a deficient number, since it is larger than the sum of its proper divisors (670005).

2010003 is an equidigital number, since it uses as much as digits as its factorization.

2010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670004.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 2010003 is about 1417.7457458938. The cubic root of 2010003 is about 126.2018056089.

Adding to 2010003 its reverse (3000102), we get a palindrome (5010105).

Subtracting 2010003 from its reverse (3000102), we obtain a palindrome (990099).

The spelling of 2010003 in words is "two million, ten thousand, three".