561304107 has 32 divisors (see below), whose sum is σ = 1023464960. Its totient is φ = 296071200.

The previous prime is 561304087. The next prime is 561304141. The reversal of 561304107 is 701403165.

561304107 is a `hidden beast` number, since 5 + 613 + 0 + 41 + 0 + 7 = 666.

It is not a de Polignac number, because 561304107 - 2⁷ = 561303979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (561304607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111769 + ... + 116682.

It is an arithmetic number, because the mean of its divisors is an integer number (31983280).

Almost surely, 2^561304107 is an apocalyptic number.

561304107 is a deficient number, since it is larger than the sum of its proper divisors (462160853).

561304107 is a wasteful number, since it uses less digits than its factorization.

561304107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228480 (or 228474 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 561304107 is about 23691.8573986929. The cubic root of 561304107 is about 824.8963969075.

The spelling of 561304107 in words is "five hundred sixty-one million, three hundred four thousand, one hundred seven".