5163221 has 16 divisors (see below), whose sum is σ = 6103680. Its totient is φ = 4276800.

The previous prime is 5163199. The next prime is 5163229. The reversal of 5163221 is 1223615.

5163221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5163221 - 2¹⁸ = 4901077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5163193 and 5163202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5163229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47315 + ... + 47423.

It is an arithmetic number, because the mean of its divisors is an integer number (381480).

Almost surely, 2^5163221 is an apocalyptic number.

It is an amenable number.

5163221 is a deficient number, since it is larger than the sum of its proper divisors (940459).

5163221 is a wasteful number, since it uses less digits than its factorization.

5163221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 360, while the sum is 20.

The square root of 5163221 is about 2272.2722108057. The cubic root of 5163221 is about 172.8384003343.

Adding to 5163221 its reverse (1223615), we get a palindrome (6386836).

The spelling of 5163221 in words is "five million, one hundred sixty-three thousand, two hundred twenty-one".