5304500221 has 2 divisors, whose sum is σ = 5304500222. Its totient is φ = 5304500220.

The previous prime is 5304500183. The next prime is 5304500249. The reversal of 5304500221 is 1220054035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5220062500 + 84437721 = 72250^2 + 9189^2 .

It is a cyclic number.

It is not a de Polignac number, because 5304500221 - 2¹⁵ = 5304467453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5304500192 and 5304500201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5304500261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652250110 + 2652250111.

It is an arithmetic number, because the mean of its divisors is an integer number (2652250111).

Almost surely, 2^5304500221 is an apocalyptic number.

It is an amenable number.

5304500221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5304500221 is an equidigital number, since it uses as much as digits as its factorization.

5304500221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5304500221 is about 72831.9999794047. Note that the first 4 decimals coincide. The cubic root of 5304500221 is about 1744.0067330852.

Adding to 5304500221 its reverse (1220054035), we get a palindrome (6524554256).

The spelling of 5304500221 in words is "five billion, three hundred four million, five hundred thousand, two hundred twenty-one".