561028043 has 2 divisors, whose sum is σ = 561028044. Its totient is φ = 561028042.

The previous prime is 561028031. The next prime is 561028079. The reversal of 561028043 is 340820165.

561028043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561028043 - 2⁶ = 561027979 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 561027997 and 561028015.

It is not a weakly prime, because it can be changed into another prime (561028243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280514021 + 280514022.

It is an arithmetic number, because the mean of its divisors is an integer number (280514022).

Almost surely, 2^561028043 is an apocalyptic number.

561028043 is a deficient number, since it is larger than the sum of its proper divisors (1).

561028043 is an equidigital number, since it uses as much as digits as its factorization.

561028043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 561028043 is about 23686.0305454502. The cubic root of 561028043 is about 824.7611395429.

The spelling of 561028043 in words is "five hundred sixty-one million, twenty-eight thousand, forty-three".