5231664 has 60 divisors (see below), whose sum is σ = 14972256. Its totient is φ = 1704576.

The previous prime is 5231663. The next prime is 5231671. The reversal of 5231664 is 4661325.

It is an Ulam number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5231663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6382 + ... + 7154.

Almost surely, 2^5231664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5231664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7486128).

5231664 is an abundant number, since it is smaller than the sum of its proper divisors (9740592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5231664 is a wasteful number, since it uses less digits than its factorization.

5231664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 825 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5231664 is about 2287.2831044713. The cubic root of 5231664 is about 173.5987583706.

Adding to 5231664 its reverse (4661325), we get a palindrome (9892989).

It can be divided in two parts, 523 and 1664, that added together give a 7-th power (2187 = 3⁷).

The spelling of 5231664 in words is "five million, two hundred thirty-one thousand, six hundred sixty-four".