561112 has 8 divisors (see below), whose sum is σ = 1052100. Its totient is φ = 280552.

The previous prime is 561109. The next prime is 561161. The reversal of 561112 is 211165.

It is a happy number.

561112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35062 + ... + 35077.

2⁵⁶¹¹¹² is an apocalyptic number.

It is an amenable number.

561112 is a deficient number, since it is larger than the sum of its proper divisors (490988).

561112 is a wasteful number, since it uses less digits than its factorization.

561112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70145 (or 70141 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 561112 is about 749.0740951335. The cubic root of 561112 is about 82.4802278911.

Adding to 561112 its reverse (211165), we get a palindrome (772277).

The spelling of 561112 in words is "five hundred sixty-one thousand, one hundred twelve".