561134 has 16 divisors (see below), whose sum is σ = 972000. Its totient is φ = 237984.

The previous prime is 561109. The next prime is 561161. The reversal of 561134 is 431165.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

561134 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 2220.

It is an arithmetic number, because the mean of its divisors is an integer number (60750).

2⁵⁶¹¹³⁴ is an apocalyptic number.

561134 is a deficient number, since it is larger than the sum of its proper divisors (410866).

561134 is a wasteful number, since it uses less digits than its factorization.

561134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 360, while the sum is 20.

The square root of 561134 is about 749.0887797851. The cubic root of 561134 is about 82.4813058347.

Adding to 561134 its reverse (431165), we get a palindrome (992299).

It can be divided in two parts, 56 and 1134, that multiplied together give a square (63504 = 252²).

The spelling of 561134 in words is "five hundred sixty-one thousand, one hundred thirty-four".