520885 has 8 divisors (see below), whose sum is σ = 658080. Its totient is φ = 394704.

The previous prime is 520867. The next prime is 520889. The reversal of 520885 is 588025.

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 520885 - 2⁵ = 520853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520889) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2647 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (82260).

2⁵²⁰⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

520885 is a deficient number, since it is larger than the sum of its proper divisors (137195).

520885 is a wasteful number, since it uses less digits than its factorization.

520885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 520885 is about 721.7236313160. The cubic root of 520885 is about 80.4601090888.

The spelling of 520885 in words is "five hundred twenty thousand, eight hundred eighty-five".