260268289 has 8 divisors (see below), whose sum is σ = 275269280. Its totient is φ = 245397600.

The previous prime is 260268277. The next prime is 260268313. The reversal of 260268289 is 982862062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260268289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260268209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28452 + ... + 36469.

It is an arithmetic number, because the mean of its divisors is an integer number (34408660).

Almost surely, 2^260268289 is an apocalyptic number.

It is an amenable number.

260268289 is a deficient number, since it is larger than the sum of its proper divisors (15000991).

260268289 is a wasteful number, since it uses less digits than its factorization.

260268289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65151.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 260268289 is about 16132.8326403022. The cubic root of 260268289 is about 638.4698872002.

The spelling of 260268289 in words is "two hundred sixty million, two hundred sixty-eight thousand, two hundred eighty-nine".