260255745 has 12 divisors (see below), whose sum is σ = 451110036. Its totient is φ = 138803040.

The previous prime is 260255729. The next prime is 260255759. The reversal of 260255745 is 547552062.

260255745 is a `hidden beast` number, since 2 + 60 + 2 + 557 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26532801 + 233722944 = 5151^2 + 15288^2 .

It is not a de Polignac number, because 260255745 - 2⁴ = 260255729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2891686 + ... + 2891775.

It is an arithmetic number, because the mean of its divisors is an integer number (37592503).

Almost surely, 2^260255745 is an apocalyptic number.

It is an amenable number.

260255745 is a deficient number, since it is larger than the sum of its proper divisors (190854291).

260255745 is a wasteful number, since it uses less digits than its factorization.

260255745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783472 (or 5783469 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 260255745 is about 16132.4438632217. The cubic root of 260255745 is about 638.4596297143.

The spelling of 260255745 in words is "two hundred sixty million, two hundred fifty-five thousand, seven hundred forty-five".