5547121241 has 2 divisors, whose sum is σ = 5547121242. Its totient is φ = 5547121240.

The previous prime is 5547121207. The next prime is 5547121253. The reversal of 5547121241 is 1421217455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4987325641 + 559795600 = 70621^2 + 23660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5547121241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5547121198 and 5547121207.

It is not a weakly prime, because it can be changed into another prime (5547121271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773560620 + 2773560621.

It is an arithmetic number, because the mean of its divisors is an integer number (2773560621).

Almost surely, 2^5547121241 is an apocalyptic number.

It is an amenable number.

5547121241 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547121241 is an equidigital number, since it uses as much as digits as its factorization.

5547121241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 5547121241 is about 74478.9986573396. The cubic root of 5547121241 is about 1770.2008816874.

Adding to 5547121241 its reverse (1421217455), we get a palindrome (6968338696).

The spelling of 5547121241 in words is "five billion, five hundred forty-seven million, one hundred twenty-one thousand, two hundred forty-one".