561012 has 12 divisors (see below), whose sum is σ = 1309056. Its totient is φ = 187000.

The previous prime is 560977. The next prime is 561019. The reversal of 561012 is 210165.

561012 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 (12).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 560982 and 561000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561019) 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, 23364 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (109088).

2⁵⁶¹⁰¹² is an apocalyptic number.

It is an amenable number.

561012 is an abundant number, since it is smaller than the sum of its proper divisors (748044).

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

561012 is a wasteful number, since it uses less digits than its factorization.

561012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46758 (or 46756 counting only the distinct ones).

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

The square root of 561012 is about 749.0073430882. The cubic root of 561012 is about 82.4753277922.

Adding to 561012 its reverse (210165), we get a palindrome (771177).

The spelling of 561012 in words is "five hundred sixty-one thousand, twelve".