6057221 has 2 divisors, whose sum is σ = 6057222. Its totient is φ = 6057220.

The previous prime is 6057209. The next prime is 6057229. The reversal of 6057221 is 1227506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 972196 = 2255^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 6057221 - 2⁶ = 6057157 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 (6057229) 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, 3028610 + 3028611.

It is an arithmetic number, because the mean of its divisors is an integer number (3028611).

Almost surely, 2^6057221 is an apocalyptic number.

It is an amenable number.

6057221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6057221 is an equidigital number, since it uses as much as digits as its factorization.

6057221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 6057221 is about 2461.1422145012. The cubic root of 6057221 is about 182.2878851671.

The spelling of 6057221 in words is "six million, fifty-seven thousand, two hundred twenty-one".