5988221 has 2 divisors, whose sum is σ = 5988222. Its totient is φ = 5988220.

The previous prime is 5988217. The next prime is 5988251. The reversal of 5988221 is 1228895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 280900 = 2389^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 5988221 - 2² = 5988217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5988251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2994110 + 2994111.

It is an arithmetic number, because the mean of its divisors is an integer number (2994111).

Almost surely, 2^5988221 is an apocalyptic number.

It is an amenable number.

5988221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5988221 is an equidigital number, since it uses as much as digits as its factorization.

5988221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 35.

The square root of 5988221 is about 2447.0841832679. The cubic root of 5988221 is about 181.5930710320.

The spelling of 5988221 in words is "five million, nine hundred eighty-eight thousand, two hundred twenty-one".