5281803 has 12 divisors (see below), whose sum is σ = 7691008. Its totient is φ = 3492720.

The previous prime is 5281763. The next prime is 5281817. The reversal of 5281803 is 3081825.

It is a happy number.

It is not a de Polignac number, because 5281803 - 2⁸ = 5281547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5281823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168 + ... + 3453.

Almost surely, 2^5281803 is an apocalyptic number.

5281803 is a deficient number, since it is larger than the sum of its proper divisors (2409205).

5281803 is a wasteful number, since it uses less digits than its factorization.

5281803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 5281803 is about 2298.2173526453. The cubic root of 5281803 is about 174.1515722466.

It can be divided in two parts, 5281 and 803, that added together give a square (6084 = 78²).

The spelling of 5281803 in words is "five million, two hundred eighty-one thousand, eight hundred three".