64417 has 4 divisors (see below), whose sum is σ = 66196. Its totient is φ = 62640.
The previous prime is 64403. The next prime is 64433. The reversal of 64417 is 71446.
64417 is nontrivially palindromic in base 6.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22801 + 41616 = 151^2 + 204^2 .
It is a cyclic number.
It is not a de Polignac number, because 64417 - 215 = 31649 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 11 and base 16.
It is not an unprimeable number, because it can be changed into a prime (64217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834 + ... + 907.
It is an arithmetic number, because the mean of its divisors is an integer number (16549).
264417 is an apocalyptic number.
It is an amenable number.
64417 is a deficient number, since it is larger than the sum of its proper divisors (1779).
64417 is a wasteful number, since it uses less digits than its factorization.
64417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1778.
The product of its digits is 672, while the sum is 22.
The square root of 64417 is about 253.8050432911. The cubic root of 64417 is about 40.0866869984.
The spelling of 64417 in words is "sixty-four thousand, four hundred seventeen".
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