561044875 has 64 divisors (see below), whose sum is σ = 768268800. Its totient is φ = 408038400.

The previous prime is 561044873. The next prime is 561044893. The reversal of 561044875 is 578440165.

561044875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561044875 - 2¹ = 561044873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561044873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6303831 + ... + 6303919.

It is an arithmetic number, because the mean of its divisors is an integer number (12004200).

Almost surely, 2^561044875 is an apocalyptic number.

561044875 is a deficient number, since it is larger than the sum of its proper divisors (207223925).

561044875 is a wasteful number, since it uses less digits than its factorization.

561044875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 561044875 is about 23686.3858577032. The cubic root of 561044875 is about 824.7693876396.

The spelling of 561044875 in words is "five hundred sixty-one million, forty-four thousand, eight hundred seventy-five".