5633531 has 4 divisors (see below), whose sum is σ = 5674200. Its totient is φ = 5592864.

The previous prime is 5633521. The next prime is 5633539. The reversal of 5633531 is 1353365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5633531 is a prime.

It is a super-2 number, since 2×5633531² = 63473343055922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5633531.

It is not an unprimeable number, because it can be changed into a prime (5633539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20126 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (1418550).

Almost surely, 2^5633531 is an apocalyptic number.

5633531 is a deficient number, since it is larger than the sum of its proper divisors (40669).

5633531 is a wasteful number, since it uses less digits than its factorization.

5633531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40668.

The product of its digits is 4050, while the sum is 26.

The square root of 5633531 is about 2373.5060564490. The cubic root of 5633531 is about 177.9345275345.

Adding to 5633531 its reverse (1353365), we get a palindrome (6986896).

The spelling of 5633531 in words is "five million, six hundred thirty-three thousand, five hundred thirty-one".