260265565 has 16 divisors (see below), whose sum is σ = 358756992. Its totient is φ = 177557184.

The previous prime is 260265547. The next prime is 260265569. The reversal of 260265565 is 565562062.

It is not a de Polignac number, because 260265565 - 2¹¹ = 260263517 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 (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, 11979 + ... + 25768.

It is an arithmetic number, because the mean of its divisors is an integer number (22422312).

Almost surely, 2^260265565 is an apocalyptic number.

It is an amenable number.

260265565 is a deficient number, since it is larger than the sum of its proper divisors (98491427).

260265565 is a wasteful number, since it uses less digits than its factorization.

260265565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37956.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 260265565 is about 16132.7482159736. The cubic root of 260265565 is about 638.4676597576.

The spelling of 260265565 in words is "two hundred sixty million, two hundred sixty-five thousand, five hundred sixty-five".