65827271 has 2 divisors, whose sum is σ = 65827272. Its totient is φ = 65827270.

The previous prime is 65827253. The next prime is 65827273. The reversal of 65827271 is 17272856.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65827271 is a prime.

It is a Sophie Germain prime.

Together with 65827273, 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 (65827273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32913635 + 32913636.

It is an arithmetic number, because the mean of its divisors is an integer number (32913636).

Almost surely, 2^65827271 is an apocalyptic number.

65827271 is a deficient number, since it is larger than the sum of its proper divisors (1).

65827271 is an equidigital number, since it uses as much as digits as its factorization.

65827271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 65827271 is about 8113.4007050065. The cubic root of 65827271 is about 403.7711489399.

The spelling of 65827271 in words is "sixty-five million, eight hundred twenty-seven thousand, two hundred seventy-one".