655112 has 16 divisors (see below), whose sum is σ = 1300860. Its totient is φ = 308224.

The previous prime is 655111. The next prime is 655121. The reversal of 655112 is 211556.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 5476 = 806^2 + 74^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655112.

It is not an unprimeable number, because it can be changed into a prime (655111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 2544.

2⁶⁵⁵¹¹² is an apocalyptic number.

It is an amenable number.

655112 is a deficient number, since it is larger than the sum of its proper divisors (645748).

655112 is a wasteful number, since it uses less digits than its factorization.

655112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840 (or 4836 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 655112 is about 809.3898936854. The cubic root of 655112 is about 86.8504057151.

Adding to 655112 its reverse (211556), we get a palindrome (866668).

Subtracting from 655112 its reverse (211556), we obtain a square (443556 = 666²).

It can be divided in two parts, 655 and 112, that added together give a palindrome (767).

The spelling of 655112 in words is "six hundred fifty-five thousand, one hundred twelve".