5011803 has 6 divisors (see below), whose sum is σ = 7239284. Its totient is φ = 3341196.

The previous prime is 5011781. The next prime is 5011807. The reversal of 5011803 is 3081105.

It is a happy number.

It is not a de Polignac number, because 5011803 - 2⁵ = 5011771 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5011807) 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 5 ways as a sum of consecutive naturals, for example, 278425 + ... + 278442.

Almost surely, 2^5011803 is an apocalyptic number.

5011803 is a deficient number, since it is larger than the sum of its proper divisors (2227481).

5011803 is a wasteful number, since it uses less digits than its factorization.

5011803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556873 (or 556870 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 5011803 is about 2238.7056528271. The cubic root of 5011803 is about 171.1320412389.

Adding to 5011803 its reverse (3081105), we get a palindrome (8092908).

It can be divided in two parts, 501 and 1803, that added together give a square (2304 = 48²).

The spelling of 5011803 in words is "five million, eleven thousand, eight hundred three".