561875339 has 2 divisors, whose sum is σ = 561875340. Its totient is φ = 561875338.

The previous prime is 561875309. The next prime is 561875351. The reversal of 561875339 is 933578165.

561875339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561875339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561875293 and 561875302.

It is not a weakly prime, because it can be changed into another prime (561875309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280937669 + 280937670.

It is an arithmetic number, because the mean of its divisors is an integer number (280937670).

Almost surely, 2^561875339 is an apocalyptic number.

561875339 is a deficient number, since it is larger than the sum of its proper divisors (1).

561875339 is an equidigital number, since it uses as much as digits as its factorization.

561875339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 561875339 is about 23703.9097829873. The cubic root of 561875339 is about 825.1761308674.

The spelling of 561875339 in words is "five hundred sixty-one million, eight hundred seventy-five thousand, three hundred thirty-nine".