561972339 has 12 divisors (see below), whose sum is σ = 813202416. Its totient is φ = 373972272.

The previous prime is 561972331. The next prime is 561972343. The reversal of 561972339 is 933279165.

561972339 is a `hidden beast` number, since 5 + 619 + 7 + 23 + 3 + 9 = 666.

561972339 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 561972339 - 2³ = 561972331 is a prime.

It is a super-2 number, since 2×561972339² = 631625819602261842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561972294 and 561972303.

It is not an unprimeable number, because it can be changed into a prime (561972331) 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, 51039 + ... + 61064.

It is an arithmetic number, because the mean of its divisors is an integer number (67766868).

Almost surely, 2^561972339 is an apocalyptic number.

561972339 is a deficient number, since it is larger than the sum of its proper divisors (251230077).

561972339 is a wasteful number, since it uses less digits than its factorization.

561972339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112666 (or 112663 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 561972339 is about 23705.9557706497. The cubic root of 561972339 is about 825.2236132142.

The spelling of 561972339 in words is "five hundred sixty-one million, nine hundred seventy-two thousand, three hundred thirty-nine".