5126221 has 2 divisors, whose sum is σ = 5126222. Its totient is φ = 5126220.

The previous prime is 5126183. The next prime is 5126267. The reversal of 5126221 is 1226215.

5126221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 264196 = 2205^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126221 - 2⁹ = 5125709 is a prime.

It is a Chen prime.

5126221 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5126291) 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, 2563110 + 2563111.

It is an arithmetic number, because the mean of its divisors is an integer number (2563111).

Almost surely, 2^5126221 is an apocalyptic number.

It is an amenable number.

5126221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126221 is an equidigital number, since it uses as much as digits as its factorization.

5126221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 5126221 is about 2264.1159422609. The cubic root of 5126221 is about 172.4245528775.

The spelling of 5126221 in words is "five million, one hundred twenty-six thousand, two hundred twenty-one".