65043271 has 2 divisors, whose sum is σ = 65043272. Its totient is φ = 65043270.

The previous prime is 65043269. The next prime is 65043323. The reversal of 65043271 is 17234056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65043271 - 2¹ = 65043269 is a prime.

Together with 65043269, 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 (65043571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32521635 + 32521636.

It is an arithmetic number, because the mean of its divisors is an integer number (32521636).

Almost surely, 2^65043271 is an apocalyptic number.

65043271 is a deficient number, since it is larger than the sum of its proper divisors (1).

65043271 is an equidigital number, since it uses as much as digits as its factorization.

65043271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 65043271 is about 8064.9408553318. The cubic root of 65043271 is about 402.1617770034.

The spelling of 65043271 in words is "sixty-five million, forty-three thousand, two hundred seventy-one".