52865 has 8 divisors (see below), whose sum is σ = 64680. Its totient is φ = 41472.

The previous prime is 52861. The next prime is 52879. The reversal of 52865 is 56825.

It can be written as a sum of positive squares in 4 ways, for example, as 7921 + 44944 = 89^2 + 212^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52865 - 2² = 52861 is a prime.

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (52861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (8085).

2⁵²⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

52865 is a deficient number, since it is larger than the sum of its proper divisors (11815).

52865 is a wasteful number, since it uses less digits than its factorization.

52865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 2400, while the sum is 26.

The square root of 52865 is about 229.9239004540. The cubic root of 52865 is about 37.5309374326.

The spelling of 52865 in words is "fifty-two thousand, eight hundred sixty-five".