5631133 has 8 divisors (see below), whose sum is σ = 5854680. Its totient is φ = 5409600.

The previous prime is 5631121. The next prime is 5631169. The reversal of 5631133 is 3311365.

It can be written as a sum of positive squares in 4 ways, for example, as 974169 + 4656964 = 987^2 + 2158^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5631133 - 2¹³ = 5622941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7683 + ... + 8383.

It is an arithmetic number, because the mean of its divisors is an integer number (731835).

Almost surely, 2^5631133 is an apocalyptic number.

It is an amenable number.

5631133 is a deficient number, since it is larger than the sum of its proper divisors (223547).

5631133 is a wasteful number, since it uses less digits than its factorization.

5631133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its digits is 810, while the sum is 22.

The square root of 5631133 is about 2373.0008428149. Note that the first 3 decimals coincide. The cubic root of 5631133 is about 177.9092770860.

Adding to 5631133 its reverse (3311365), we get a palindrome (8942498).

The spelling of 5631133 in words is "five million, six hundred thirty-one thousand, one hundred thirty-three".