52665 has 8 divisors (see below), whose sum is σ = 84288.
Its totient is φ = 28080.
The previous prime is 52639. The next prime is 52667. The reversal of 52665 is 56625.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Wieferich number.
It is not a de Polignac number, because 52665 - 29 = 52153 is a prime.
It is an Ulam number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (52667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741 + ... + 1770.
It is an arithmetic number, because the mean of its divisors is an integer number (10536).
252665 is an apocalyptic number.
It is an amenable number.
52665 is a deficient number, since it is larger than the sum of its proper divisors (31623).
52665 is a wasteful number, since it uses less digits than its factorization.
52665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3519.
The product of its digits is 1800, while the sum is 24.
The square root of 52665 is about 229.4885618065.
The cubic root of 52665 is about 37.4835483391.
The spelling of 52665 in words is "fifty-two thousand, six hundred sixty-five".