64241 has 4 divisors (see below), whose sum is σ = 64752. Its totient is φ = 63732.
The previous prime is 64237. The next prime is 64271. The reversal of 64241 is 14246.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 64241 - 22 = 64237 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (64231) 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 in 3 ways as a sum of consecutive naturals, for example, 86 + ... + 368.
It is an arithmetic number, because the mean of its divisors is an integer number (16188).
264241 is an apocalyptic number.
It is an amenable number.
64241 is a deficient number, since it is larger than the sum of its proper divisors (511).
64241 is a wasteful number, since it uses less digits than its factorization.
64241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510.
The product of its digits is 192, while the sum is 17.
The square root of 64241 is about 253.4580833195. The cubic root of 64241 is about 40.0501454429.
Adding to 64241 its reverse (14246), we get a palindrome (78487).
The spelling of 64241 in words is "sixty-four thousand, two hundred forty-one".
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