5073221 has 2 divisors, whose sum is σ = 5073222. Its totient is φ = 5073220.

The previous prime is 5073169. The next prime is 5073241. The reversal of 5073221 is 1223705.

It is an a-pointer prime, because the next prime (5073241) can be obtained adding 5073221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 2217121 = 1690^2 + 1489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5073221 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5073193 and 5073202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5073241) 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 as a sum of consecutive naturals, namely, 2536610 + 2536611.

It is an arithmetic number, because the mean of its divisors is an integer number (2536611).

Almost surely, 2^5073221 is an apocalyptic number.

It is an amenable number.

5073221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5073221 is an equidigital number, since it uses as much as digits as its factorization.

5073221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5073221 is about 2252.3811844357. The cubic root of 5073221 is about 171.8282606132.

Adding to 5073221 its reverse (1223705), we get a palindrome (6296926).

The spelling of 5073221 in words is "five million, seventy-three thousand, two hundred twenty-one".