6565005137 has 2 divisors, whose sum is σ = 6565005138. Its totient is φ = 6565005136.

The previous prime is 6565005089. The next prime is 6565005143. The reversal of 6565005137 is 7315005656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3739444801 + 2825560336 = 61151^2 + 53156^2 .

It is a cyclic number.

It is not a de Polignac number, because 6565005137 - 2¹⁰ = 6565004113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6565005137.

It is not a weakly prime, because it can be changed into another prime (6565001137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282502568 + 3282502569.

It is an arithmetic number, because the mean of its divisors is an integer number (3282502569).

Almost surely, 2^6565005137 is an apocalyptic number.

It is an amenable number.

6565005137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565005137 is an equidigital number, since it uses as much as digits as its factorization.

6565005137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 6565005137 is about 81024.7192960272. The cubic root of 6565005137 is about 1872.4562969902.

The spelling of 6565005137 in words is "six billion, five hundred sixty-five million, five thousand, one hundred thirty-seven".