505112 has 16 divisors (see below), whose sum is σ = 957840. Its totient is φ = 249696.

The previous prime is 505111. The next prime is 505117. The reversal of 505112 is 211505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (59865).

2⁵⁰⁵¹¹² is an apocalyptic number.

It is an amenable number.

505112 is a deficient number, since it is larger than the sum of its proper divisors (452728).

505112 is a wasteful number, since it uses less digits than its factorization.

505112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 505112 is about 710.7123187338. The cubic root of 505112 is about 79.6396290977.

Adding to 505112 its reverse (211505), we get a palindrome (716617).

The spelling of 505112 in words is "five hundred five thousand, one hundred twelve".