5286221 has 2 divisors, whose sum is σ = 5286222. Its totient is φ = 5286220.

The previous prime is 5286217. The next prime is 5286247. The reversal of 5286221 is 1226825.

It is an a-pointer prime, because the next prime (5286247) can be obtained adding 5286221 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 1729225 = 1886^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 5286221 - 2² = 5286217 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5216221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643110 + 2643111.

It is an arithmetic number, because the mean of its divisors is an integer number (2643111).

Almost surely, 2^5286221 is an apocalyptic number.

It is an amenable number.

5286221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5286221 is an equidigital number, since it uses as much as digits as its factorization.

5286221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 5286221 is about 2299.1783314915. The cubic root of 5286221 is about 174.2001154696.

The spelling of 5286221 in words is "five million, two hundred eighty-six thousand, two hundred twenty-one".