260805255 has 8 divisors (see below), whose sum is σ = 417288432. Its totient is φ = 139096128.

The previous prime is 260805241. The next prime is 260805269. The reversal of 260805255 is 552508062.

It is an interprime number because it is at equal distance from previous prime (260805241) and next prime (260805269).

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

It is not a de Polignac number, because 260805255 - 2⁴ = 260805239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693494 + ... + 8693523.

It is an arithmetic number, because the mean of its divisors is an integer number (52161054).

Almost surely, 2^260805255 is an apocalyptic number.

260805255 is a deficient number, since it is larger than the sum of its proper divisors (156483177).

260805255 is a wasteful number, since it uses less digits than its factorization.

260805255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387025.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 260805255 is about 16149.4660902458. The cubic root of 260805255 is about 638.9086666369.

The spelling of 260805255 in words is "two hundred sixty million, eight hundred five thousand, two hundred fifty-five".