65745271 has 2 divisors, whose sum is σ = 65745272. Its totient is φ = 65745270.

The previous prime is 65745269. The next prime is 65745287. The reversal of 65745271 is 17254756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65745271 - 2¹ = 65745269 is a prime.

Together with 65745269, it forms a pair of twin primes.

It is equal to p_3881926 and since 65745271 and 3881926 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65745271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65745241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32872635 + 32872636.

It is an arithmetic number, because the mean of its divisors is an integer number (32872636).

Almost surely, 2^65745271 is an apocalyptic number.

65745271 is a deficient number, since it is larger than the sum of its proper divisors (1).

65745271 is an equidigital number, since it uses as much as digits as its factorization.

65745271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 37.

The square root of 65745271 is about 8108.3457622378. The cubic root of 65745271 is about 403.6034221447.

The spelling of 65745271 in words is "sixty-five million, seven hundred forty-five thousand, two hundred seventy-one".