561852 has 18 divisors (see below), whose sum is σ = 1420328. Its totient is φ = 187272.

The previous prime is 561839. The next prime is 561907. The reversal of 561852 is 258165.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7768 + ... + 7839.

2⁵⁶¹⁸⁵² is an apocalyptic number.

It is an amenable number.

561852 is an abundant number, since it is smaller than the sum of its proper divisors (858476).

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

561852 is a wasteful number, since it uses less digits than its factorization.

561852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15617 (or 15612 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 561852 is about 749.5678755123. The cubic root of 561852 is about 82.5164705408.

The spelling of 561852 in words is "five hundred sixty-one thousand, eight hundred fifty-two".