260265569 has 2 divisors, whose sum is σ = 260265570. Its totient is φ = 260265568.

The previous prime is 260265547. The next prime is 260265571. The reversal of 260265569 is 965562062.

260265569 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 can be written as a sum of positive squares in only one way, i.e., 187333969 + 72931600 = 13687^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 260265569 - 2¹⁶ = 260200033 is a prime.

It is a super-2 number, since 2×260265569² = 135476332813787522, which contains 22 as substring.

Together with 260265571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260265469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130132784 + 130132785.

It is an arithmetic number, because the mean of its divisors is an integer number (130132785).

Almost surely, 2^260265569 is an apocalyptic number.

It is an amenable number.

260265569 is a deficient number, since it is larger than the sum of its proper divisors (1).

260265569 is an equidigital number, since it uses as much as digits as its factorization.

260265569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 260265569 is about 16132.7483399451. The cubic root of 260265569 is about 638.4676630284.

The spelling of 260265569 in words is "two hundred sixty million, two hundred sixty-five thousand, five hundred sixty-nine".