64716271 has 2 divisors, whose sum is σ = 64716272. Its totient is φ = 64716270.

The previous prime is 64716269. The next prime is 64716283. The reversal of 64716271 is 17261746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64716271 - 2¹ = 64716269 is a prime.

Together with 64716269, 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 (64716221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32358135 + 32358136.

It is an arithmetic number, because the mean of its divisors is an integer number (32358136).

Almost surely, 2^64716271 is an apocalyptic number.

64716271 is a deficient number, since it is larger than the sum of its proper divisors (1).

64716271 is an equidigital number, since it uses as much as digits as its factorization.

64716271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 64716271 is about 8044.6423786269. The cubic root of 64716271 is about 401.4866987214.

The spelling of 64716271 in words is "sixty-four million, seven hundred sixteen thousand, two hundred seventy-one".