6565245229 has 2 divisors, whose sum is σ = 6565245230. Its totient is φ = 6565245228.

The previous prime is 6565245227. The next prime is 6565245233. The reversal of 6565245229 is 9225425656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4750655625 + 1814589604 = 68925^2 + 42598^2 .

It is a cyclic number.

It is not a de Polignac number, because 6565245229 - 2¹ = 6565245227 is a prime.

Together with 6565245227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6565245221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282622614 + 3282622615.

It is an arithmetic number, because the mean of its divisors is an integer number (3282622615).

Almost surely, 2^6565245229 is an apocalyptic number.

It is an amenable number.

6565245229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565245229 is an equidigital number, since it uses as much as digits as its factorization.

6565245229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The square root of 6565245229 is about 81026.2008797154. The cubic root of 6565245229 is about 1872.4791228823.

The spelling of 6565245229 in words is "six billion, five hundred sixty-five million, two hundred forty-five thousand, two hundred twenty-nine".