6558241 has 2 divisors, whose sum is σ = 6558242. Its totient is φ = 6558240.

The previous prime is 6558229. The next prime is 6558269. The reversal of 6558241 is 1428556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 3027600 = 1879^2 + 1740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6558241 is a prime.

It is not a weakly prime, because it can be changed into another prime (6558271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279120 + 3279121.

It is an arithmetic number, because the mean of its divisors is an integer number (3279121).

Almost surely, 2^6558241 is an apocalyptic number.

It is an amenable number.

6558241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6558241 is an equidigital number, since it uses as much as digits as its factorization.

6558241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 6558241 is about 2560.9062848921. The cubic root of 6558241 is about 187.1812991918.

It can be divided in two parts, 65582 and 41, that multiplied together give a palindrome (2688862).

The spelling of 6558241 in words is "six million, five hundred fifty-eight thousand, two hundred forty-one".