5865 has 16 divisors (see below), whose sum is σ = 10368. Its totient is φ = 2816.
The previous prime is 5861. The next prime is 5867. The reversal of 5865 is 5685.
It is a cyclic number.
It is not a de Polignac number, because 5865 - 22 = 5861 is a prime.
Its product of digits (1200) is a multiple of the sum of its prime divisors (48).
It is a Curzon number.
It is a plaindrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5861) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244 + ... + 266.
It is an arithmetic number, because the mean of its divisors is an integer number (648).
25865 is an apocalyptic number.
It is an amenable number.
5865 is a deficient number, since it is larger than the sum of its proper divisors (4503).
5865 is a wasteful number, since it uses less digits than its factorization.
5865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48.
The product of its digits is 1200, while the sum is 24.
The square root of 5865 is about 76.5832879942. The cubic root of 5865 is about 18.0338867820.
The spelling of 5865 in words is "five thousand, eight hundred sixty-five".
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