10030503 has 16 divisors (see below), whose sum is σ = 15514880. Its totient is φ = 5645376.

The previous prime is 10030487. The next prime is 10030511. The reversal of 10030503 is 30503001.

It is a happy number.

10030503 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10030503 - 2⁴ = 10030487 is a prime.

It is a super-2 number, since 2×10030503² = 201221980866018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (969680).

Almost surely, 2^10030503 is an apocalyptic number.

10030503 is a deficient number, since it is larger than the sum of its proper divisors (5484377).

10030503 is an equidigital number, since it uses as much as digits as its factorization.

10030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 10030503 is about 3167.0969356810. The cubic root of 10030503 is about 215.6623023891.

Adding to 10030503 its reverse (30503001), we get a palindrome (40533504).

It can be divided in two parts, 100 and 30503, that added together give a palindrome (30603).

The spelling of 10030503 in words is "ten million, thirty thousand, five hundred three".