5631303 has 16 divisors (see below), whose sum is σ = 7744896. Its totient is φ = 3637920.

The previous prime is 5631299. The next prime is 5631317. The reversal of 5631303 is 3031365.

It is not a de Polignac number, because 5631303 - 2² = 5631299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5631303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631383) 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, 16848 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (484056).

Almost surely, 2^5631303 is an apocalyptic number.

5631303 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5631303 is a deficient number, since it is larger than the sum of its proper divisors (2113593).

5631303 is a wasteful number, since it uses less digits than its factorization.

5631303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 5631303 is about 2373.0366621694. The cubic root of 5631303 is about 177.9110673872.

Adding to 5631303 its reverse (3031365), we get a palindrome (8662668).

The spelling of 5631303 in words is "five million, six hundred thirty-one thousand, three hundred three".