260655583 has 4 divisors (see below), whose sum is σ = 261214200. Its totient is φ = 260096968.

The previous prime is 260655581. The next prime is 260655601. The reversal of 260655583 is 385556062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260655583 - 2¹ = 260655581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260655581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278608 + ... + 279541.

It is an arithmetic number, because the mean of its divisors is an integer number (65303550).

Almost surely, 2^260655583 is an apocalyptic number.

260655583 is a deficient number, since it is larger than the sum of its proper divisors (558617).

260655583 is an equidigital number, since it uses as much as digits as its factorization.

260655583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558616.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 260655583 is about 16144.8314639701. The cubic root of 260655583 is about 638.7864233988.

The spelling of 260655583 in words is "two hundred sixty million, six hundred fifty-five thousand, five hundred eighty-three".