64271 has 2 divisors, whose sum is σ = 64272. Its totient is φ = 64270.
The previous prime is 64237. The next prime is 64279. The reversal of 64271 is 17246.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 64271 - 210 = 63247 is a prime.
It is a super-2 number, since 2×642712 = 8261522882, which contains 22 as substring.
It is a Chen prime.
It is a plaindrome in base 13.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (64279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32135 + 32136.
It is an arithmetic number, because the mean of its divisors is an integer number (32136).
264271 is an apocalyptic number.
64271 is a deficient number, since it is larger than the sum of its proper divisors (1).
64271 is an equidigital number, since it uses as much as digits as its factorization.
64271 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 336, while the sum is 20.
The square root of 64271 is about 253.5172577952. The cubic root of 64271 is about 40.0563788317.
The spelling of 64271 in words is "sixty-four thousand, two hundred seventy-one".
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