Adding to 561234 its reverse (432165), we get a palindrome (993399).
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 561234.
It is an unprimeable number.
2561234 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
561234 is a wasteful number, since it uses less digits than its factorization.
561234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1145.
The square root of 561234 is about 749.1555245742. The cubic root of 561234 is about 82.4862052234.
The spelling of 561234 in words is "five hundred sixty-one thousand, two hundred thirty-four".