561107007 has 10 divisors (see below), whose sum is σ = 838197008. Its totient is φ = 374071284.

The previous prime is 561106991. The next prime is 561107077. The reversal of 561107007 is 700701165.

561107007 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 561107007 - 2⁴ = 561106991 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561107077) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3463543 + ... + 3463704.

Almost surely, 2^561107007 is an apocalyptic number.

561107007 is a deficient number, since it is larger than the sum of its proper divisors (277090001).

561107007 is an equidigital number, since it uses as much as digits as its factorization.

561107007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927259 (or 6927250 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 561107007 is about 23687.6973764864. The cubic root of 561107007 is about 824.7998324295.

The spelling of 561107007 in words is "five hundred sixty-one million, one hundred seven thousand, seven".