5603803 has 10 divisors (see below), whose sum is σ = 6052684. Its totient is φ = 5185404.

The previous prime is 5603791. The next prime is 5603831. The reversal of 5603803 is 3083065.

It is not a de Polignac number, because 5603803 - 2⁵ = 5603771 is a prime.

It is a Duffinian number.

5603803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5603203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 130300 + ... + 130342.

Almost surely, 2^5603803 is an apocalyptic number.

5603803 is a deficient number, since it is larger than the sum of its proper divisors (448881).

5603803 is an frugal number, since it uses more digits than its factorization.

5603803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5603803 is about 2367.2353072730. The cubic root of 5603803 is about 177.6209900488.

Adding to 5603803 its reverse (3083065), we get a palindrome (8686868).

The spelling of 5603803 in words is "five million, six hundred three thousand, eight hundred three".