520854 has 16 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 169832.

The previous prime is 520853. The next prime is 520867. The reversal of 520854 is 458025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520853) 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, 642 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2⁵²⁰⁸⁵⁴ is an apocalyptic number.

520854 is an abundant number, since it is smaller than the sum of its proper divisors (543594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520854 is a wasteful number, since it uses less digits than its factorization.

520854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520854 is about 721.7021546317. The cubic root of 520854 is about 80.4585128869.

Adding to 520854 its reverse (458025), we get a palindrome (978879).

The spelling of 520854 in words is "five hundred twenty thousand, eight hundred fifty-four".