5663131 has 2 divisors, whose sum is σ = 5663132. Its totient is φ = 5663130.

The previous prime is 5663123. The next prime is 5663153. The reversal of 5663131 is 1313665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5663131 - 2³ = 5663123 is a prime.

It is a super-2 number, since 2×5663131² = 64142105446322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 5663096 and 5663105.

It is not a weakly prime, because it can be changed into another prime (5663101) 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 as a sum of consecutive naturals, namely, 2831565 + 2831566.

It is an arithmetic number, because the mean of its divisors is an integer number (2831566).

Almost surely, 2^5663131 is an apocalyptic number.

5663131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663131 is an equidigital number, since it uses as much as digits as its factorization.

5663131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 5663131 is about 2379.7333884282. The cubic root of 5663131 is about 178.2456210193.

Adding to 5663131 its reverse (1313665), we get a palindrome (6976796).

The spelling of 5663131 in words is "five million, six hundred sixty-three thousand, one hundred thirty-one".