5663431 has 8 divisors (see below), whose sum is σ = 6073920. Its totient is φ = 5261568.

The previous prime is 5663429. The next prime is 5663459. The reversal of 5663431 is 1343665.

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

It is not a de Polignac number, because 5663431 - 2¹ = 5663429 is a prime.

It is a super-2 number, since 2×5663431² = 64148901383522, 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 5663431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663491) 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 7 ways as a sum of consecutive naturals, for example, 766 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 2^5663431 is an apocalyptic number.

5663431 is a deficient number, since it is larger than the sum of its proper divisors (410489).

5663431 is a wasteful number, since it uses less digits than its factorization.

5663431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its digits is 6480, while the sum is 28.

The square root of 5663431 is about 2379.7964198645. The cubic root of 5663431 is about 178.2487684386.

It can be divided in two parts, 56634 and 31, that added together give a palindrome (56665).

The spelling of 5663431 in words is "five million, six hundred sixty-three thousand, four hundred thirty-one".