5273221 has 2 divisors, whose sum is σ = 5273222. Its totient is φ = 5273220.

The previous prime is 5273209. The next prime is 5273227. The reversal of 5273221 is 1223725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 260100 = 2239^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 5273221 - 2⁵ = 5273189 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5273192 and 5273201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5273227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2636610 + 2636611.

It is an arithmetic number, because the mean of its divisors is an integer number (2636611).

Almost surely, 2^5273221 is an apocalyptic number.

It is an amenable number.

5273221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5273221 is an equidigital number, since it uses as much as digits as its factorization.

5273221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 5273221 is about 2296.3494943061. The cubic root of 5273221 is about 174.0571992333.

Adding to 5273221 its reverse (1223725), we get a palindrome (6496946).

The spelling of 5273221 in words is "five million, two hundred seventy-three thousand, two hundred twenty-one".