5231663 has 2 divisors, whose sum is σ = 5231664. Its totient is φ = 5231662.

The previous prime is 5231657. The next prime is 5231671. The reversal of 5231663 is 3661325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5231663 - 2⁴ = 5231647 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5231623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615831 + 2615832.

It is an arithmetic number, because the mean of its divisors is an integer number (2615832).

Almost surely, 2^5231663 is an apocalyptic number.

5231663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231663 is an equidigital number, since it uses as much as digits as its factorization.

5231663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 5231663 is about 2287.2828858714. The cubic root of 5231663 is about 173.5987473099.

Adding to 5231663 its reverse (3661325), we get a palindrome (8892988).

The spelling of 5231663 in words is "five million, two hundred thirty-one thousand, six hundred sixty-three".