561106 has 16 divisors (see below), whose sum is σ = 1036224. Its totient is φ = 221904.

The previous prime is 561103. The next prime is 561109. The reversal of 561106 is 601165.

561106 = 29² + 30² + ... + 119².

561106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (561103) and next prime (561109).

It is not an unprimeable number, because it can be changed into a prime (561101) 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, 1360 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (64764).

2⁵⁶¹¹⁰⁶ is an apocalyptic number.

561106 is a deficient number, since it is larger than the sum of its proper divisors (475118).

561106 is a wasteful number, since it uses less digits than its factorization.

561106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 561106 is about 749.0700901785. The cubic root of 561106 is about 82.4799339016.

The spelling of 561106 in words is "five hundred sixty-one thousand, one hundred six".