260447843 has 2 divisors, whose sum is σ = 260447844. Its totient is φ = 260447842.

The previous prime is 260447819. The next prime is 260447849. The reversal of 260447843 is 348744062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260447843 - 2⁶ = 260447779 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 260447797 and 260447806.

It is not a weakly prime, because it can be changed into another prime (260447849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130223921 + 130223922.

It is an arithmetic number, because the mean of its divisors is an integer number (130223922).

Almost surely, 2^260447843 is an apocalyptic number.

260447843 is a deficient number, since it is larger than the sum of its proper divisors (1).

260447843 is an equidigital number, since it uses as much as digits as its factorization.

260447843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 260447843 is about 16138.3965436471. The cubic root of 260447843 is about 638.6166760773.

The spelling of 260447843 in words is "two hundred sixty million, four hundred forty-seven thousand, eight hundred forty-three".