6551274133 has 2 divisors, whose sum is σ = 6551274134. Its totient is φ = 6551274132.

The previous prime is 6551274089. The next prime is 6551274143. The reversal of 6551274133 is 3314721556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6124314564 + 426959569 = 78258^2 + 20663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551274133 - 2²⁹ = 6014403221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6551274092 and 6551274101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6551274143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275637066 + 3275637067.

It is an arithmetic number, because the mean of its divisors is an integer number (3275637067).

Almost surely, 2^6551274133 is an apocalyptic number.

It is an amenable number.

6551274133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551274133 is an equidigital number, since it uses as much as digits as its factorization.

6551274133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 6551274133 is about 80939.9415183876. The cubic root of 6551274133 is about 1871.1499435674.

Adding to 6551274133 its reverse (3314721556), we get a palindrome (9865995689).

The spelling of 6551274133 in words is "six billion, five hundred fifty-one million, two hundred seventy-four thousand, one hundred thirty-three".