561367941 has 16 divisors (see below), whose sum is σ = 768942720. Its totient is φ = 364071680.

The previous prime is 561367921. The next prime is 561367943. The reversal of 561367941 is 149763165.

561367941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 561367941 - 2¹⁰ = 561366917 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 561367893 and 561367902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561367943) 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, 37801 + ... + 50513.

It is an arithmetic number, because the mean of its divisors is an integer number (48058920).

Almost surely, 2^561367941 is an apocalyptic number.

It is an amenable number.

561367941 is a deficient number, since it is larger than the sum of its proper divisors (207574779).

561367941 is a wasteful number, since it uses less digits than its factorization.

561367941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116.

The product of its digits is 136080, while the sum is 42.

The square root of 561367941 is about 23693.2045321016. The cubic root of 561367941 is about 824.9276660181.

The spelling of 561367941 in words is "five hundred sixty-one million, three hundred sixty-seven thousand, nine hundred forty-one".