6558241241 has 2 divisors, whose sum is σ = 6558241242. Its totient is φ = 6558241240.

The previous prime is 6558241219. The next prime is 6558241271. The reversal of 6558241241 is 1421428556.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5532384400 + 1025856841 = 74380^2 + 32029^2 .

It is a cyclic number.

It is not a de Polignac number, because 6558241241 - 2¹⁸ = 6557979097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6558241195 and 6558241204.

It is not a weakly prime, because it can be changed into another prime (6558241271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279120620 + 3279120621.

It is an arithmetic number, because the mean of its divisors is an integer number (3279120621).

Almost surely, 2^6558241241 is an apocalyptic number.

It is an amenable number.

6558241241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6558241241 is an equidigital number, since it uses as much as digits as its factorization.

6558241241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 38.

The square root of 6558241241 is about 80982.9688329589. The cubic root of 6558241241 is about 1871.8130148458.

Adding to 6558241241 its reverse (1421428556), we get a palindrome (7979669797).

The spelling of 6558241241 in words is "six billion, five hundred fifty-eight million, two hundred forty-one thousand, two hundred forty-one".