52860865 has 4 divisors (see below), whose sum is σ = 63433044. Its totient is φ = 42288688.

The previous prime is 52860839. The next prime is 52860887. The reversal of 52860865 is 56806825.

52860865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15492096 + 37368769 = 3936^2 + 6113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52860865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5286082 + ... + 5286091.

It is an arithmetic number, because the mean of its divisors is an integer number (15858261).

Almost surely, 2^52860865 is an apocalyptic number.

It is an amenable number.

52860865 is a deficient number, since it is larger than the sum of its proper divisors (10572179).

52860865 is a wasteful number, since it uses less digits than its factorization.

52860865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10572178.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 52860865 is about 7270.5477785377. The cubic root of 52860865 is about 375.2995887420.

The spelling of 52860865 in words is "fifty-two million, eight hundred sixty thousand, eight hundred sixty-five".