10002003 has 8 divisors (see below), whose sum is σ = 14548416. Its totient is φ = 6061800.

The previous prime is 10001963. The next prime is 10002007. The reversal of 10002003 is 30020001.

10002003 is nontrivially palindromic in base 12.

10002003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10002003 - 2¹⁶ = 9936467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001982 and 10002000.

It is not an unprimeable number, because it can be changed into a prime (10002007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151513 + ... + 151578.

It is an arithmetic number, because the mean of its divisors is an integer number (1818552).

Almost surely, 2^10002003 is an apocalyptic number.

10002003 is a deficient number, since it is larger than the sum of its proper divisors (4546413).

10002003 is a wasteful number, since it uses less digits than its factorization.

10002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303105.

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

The square root of 10002003 is about 3162.5943464188. The cubic root of 10002003 is about 215.4578524852.

Adding to 10002003 its reverse (30020001), we get a palindrome (40022004).

It can be divided in two parts, 1000 and 2003, that added together give a palindrome (3003).

The spelling of 10002003 in words is "ten million, two thousand, three".