520116 has 24 divisors (see below), whose sum is σ = 1229760. Its totient is φ = 171072.

The previous prime is 520111. The next prime is 520123. The reversal of 520116 is 611025.

520116 = 28² + 29² + ... + 116².

It is a junction number, because it is equal to n+sod(n) for n = 520095 and 520104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520111) by changing a digit.

520116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (51240).

2⁵²⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

520116 is an abundant number, since it is smaller than the sum of its proper divisors (709644).

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

520116 is a wasteful number, since it uses less digits than its factorization.

520116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 520116 is about 721.1906821361. The cubic root of 520116 is about 80.4204942681.

Subtracting 520116 from its reverse (611025), we obtain a palindrome (90909).

It can be divided in two parts, 520 and 116, that added together give a palindrome (636).

The spelling of 520116 in words is "five hundred twenty thousand, one hundred sixteen".