260265563 has 16 divisors (see below), whose sum is σ = 282782016. Its totient is φ = 238617600.

The previous prime is 260265547. The next prime is 260265569. The reversal of 260265563 is 365562062.

It is a cyclic number.

It is not a de Polignac number, because 260265563 - 2⁴ = 260265547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260265569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135095 + ... + 137007.

It is an arithmetic number, because the mean of its divisors is an integer number (17673876).

Almost surely, 2^260265563 is an apocalyptic number.

260265563 is a deficient number, since it is larger than the sum of its proper divisors (22516453).

260265563 is a wasteful number, since it uses less digits than its factorization.

260265563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 260265563 is about 16132.7481539879. The cubic root of 260265563 is about 638.4676581222.

The spelling of 260265563 in words is "two hundred sixty million, two hundred sixty-five thousand, five hundred sixty-three".