10204003 has 4 divisors (see below), whose sum is σ = 10211080. Its totient is φ = 10196928.

The previous prime is 10203989. The next prime is 10204021. The reversal of 10204003 is 30040201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30040201 = 29 ⋅1035869.

It is a cyclic number.

It is not a de Polignac number, because 10204003 - 2⁹ = 10203491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204603) 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, 513 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (2552770).

Almost surely, 2^10204003 is an apocalyptic number.

10204003 is a deficient number, since it is larger than the sum of its proper divisors (7077).

10204003 is an equidigital number, since it uses as much as digits as its factorization.

10204003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10204003 is about 3194.3705170190. The cubic root of 10204003 is about 216.8986551336.

Adding to 10204003 its reverse (30040201), we get a palindrome (40244204).

The spelling of 10204003 in words is "ten million, two hundred four thousand, three".