6564582551 has 2 divisors, whose sum is σ = 6564582552. Its totient is φ = 6564582550.

The previous prime is 6564582511. The next prime is 6564582569. The reversal of 6564582551 is 1552854656.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6564582551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6564582496 and 6564582505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6564582511) 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, 3282291275 + 3282291276.

It is an arithmetic number, because the mean of its divisors is an integer number (3282291276).

Almost surely, 2^6564582551 is an apocalyptic number.

6564582551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564582551 is an equidigital number, since it uses as much as digits as its factorization.

6564582551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440000, while the sum is 47.

The square root of 6564582551 is about 81022.1114943322. Note that the first 3 decimals coincide. The cubic root of 6564582551 is about 1872.4161197789.

The spelling of 6564582551 in words is "six billion, five hundred sixty-four million, five hundred eighty-two thousand, five hundred fifty-one".