561016 has 16 divisors (see below), whose sum is σ = 1098000. Its totient is φ = 268224.

The previous prime is 560977. The next prime is 561019. The reversal of 561016 is 610165.

561016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 560984 and 561002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

2⁵⁶¹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

561016 is a deficient number, since it is larger than the sum of its proper divisors (536984).

561016 is a wasteful number, since it uses less digits than its factorization.

561016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 561016 is about 749.0100132842. The cubic root of 561016 is about 82.4755238074.

The spelling of 561016 in words is "five hundred sixty-one thousand, sixteen".