561375412 has 36 divisors (see below), whose sum is σ = 1073349900. Its totient is φ = 256768512.

The previous prime is 561375391. The next prime is 561375413. The reversal of 561375412 is 214573165.

561375412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 189502756 + 371872656 = 13766^2 + 19284^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561375413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72714 + ... + 80062.

It is an arithmetic number, because the mean of its divisors is an integer number (29815275).

Almost surely, 2^561375412 is an apocalyptic number.

561375412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

561375412 is a deficient number, since it is larger than the sum of its proper divisors (511974488).

561375412 is a wasteful number, since it uses less digits than its factorization.

561375412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7477 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 561375412 is about 23693.3621928168. The cubic root of 561375412 is about 824.9313255355.

The spelling of 561375412 in words is "five hundred sixty-one million, three hundred seventy-five thousand, four hundred twelve".