561782 has 32 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 230400.

The previous prime is 561767. The next prime is 561787. The reversal of 561782 is 287165.

561782 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13682 + ... + 13722.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2⁵⁶¹⁷⁸² is an apocalyptic number.

561782 is a deficient number, since it is larger than the sum of its proper divisors (454282).

561782 is a wasteful number, since it uses less digits than its factorization.

561782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its digits is 3360, while the sum is 29.

The square root of 561782 is about 749.5211804879. The cubic root of 561782 is about 82.5130435453.

The spelling of 561782 in words is "five hundred sixty-one thousand, seven hundred eighty-two".