5004221 has 2 divisors, whose sum is σ = 5004222. Its totient is φ = 5004220.

The previous prime is 5004217. The next prime is 5004227. The reversal of 5004221 is 1224005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 225625 = 2186^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 5004221 - 2² = 5004217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5004196 and 5004205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5004227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502110 + 2502111.

It is an arithmetic number, because the mean of its divisors is an integer number (2502111).

Almost surely, 2^5004221 is an apocalyptic number.

It is an amenable number.

5004221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5004221 is an equidigital number, since it uses as much as digits as its factorization.

5004221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5004221 is about 2237.0116226788. The cubic root of 5004221 is about 171.0456998565.

Adding to 5004221 its reverse (1224005), we get a palindrome (6228226).

It can be divided in two parts, 5004 and 221, that added together give a palindrome (5225).

The spelling of 5004221 in words is "five million, four thousand, two hundred twenty-one".