65265647 has 2 divisors, whose sum is σ = 65265648. Its totient is φ = 65265646.

The previous prime is 65265637. The next prime is 65265649. The reversal of 65265647 is 74656256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65265647 - 2¹⁶ = 65200111 is a prime.

Together with 65265649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65265649) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32632823 + 32632824.

It is an arithmetic number, because the mean of its divisors is an integer number (32632824).

Almost surely, 2^65265647 is an apocalyptic number.

65265647 is a deficient number, since it is larger than the sum of its proper divisors (1).

65265647 is an equidigital number, since it uses as much as digits as its factorization.

65265647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 65265647 is about 8078.7156776309. The cubic root of 65265647 is about 402.6195717432.

The spelling of 65265647 in words is "sixty-five million, two hundred sixty-five thousand, six hundred forty-seven".