5221663 has 8 divisors (see below), whose sum is σ = 5334080. Its totient is φ = 5110560.

The previous prime is 5221651. The next prime is 5221673. The reversal of 5221663 is 3661225.

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

It is a cyclic number.

It is not a de Polignac number, because 5221663 - 2⁵ = 5221631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12193 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (666760).

Almost surely, 2^5221663 is an apocalyptic number.

5221663 is a deficient number, since it is larger than the sum of its proper divisors (112417).

5221663 is a wasteful number, since it uses less digits than its factorization.

5221663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 2160, while the sum is 25.

The square root of 5221663 is about 2285.0958404408. The cubic root of 5221663 is about 173.4880690082.

Adding to 5221663 its reverse (3661225), we get a palindrome (8882888).

The spelling of 5221663 in words is "five million, two hundred twenty-one thousand, six hundred sixty-three".