561105834 has 32 divisors (see below), whose sum is σ = 1206420480. Its totient is φ = 173419632.

The previous prime is 561105823. The next prime is 561105863. The reversal of 561105834 is 438501165.

561105834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 561105795 and 561105804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47004 + ... + 57719.

It is an arithmetic number, because the mean of its divisors is an integer number (37700640).

Almost surely, 2^561105834 is an apocalyptic number.

561105834 is an abundant number, since it is smaller than the sum of its proper divisors (645314646).

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

561105834 is a wasteful number, since it uses less digits than its factorization.

561105834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104794.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 561105834 is about 23687.6726167853. The cubic root of 561105834 is about 824.7992576783.

Adding to 561105834 its reverse (438501165), we get a palindrome (999606999).

The spelling of 561105834 in words is "five hundred sixty-one million, one hundred five thousand, eight hundred thirty-four".