260705065 has 8 divisors (see below), whose sum is σ = 315235008. Its totient is φ = 206971440.

The previous prime is 260705021. The next prime is 260705083. The reversal of 260705065 is 560507062.

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

It is not a de Polignac number, because 260705065 - 2¹¹ = 260703017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198357 + ... + 199666.

It is an arithmetic number, because the mean of its divisors is an integer number (39404376).

Almost surely, 2^260705065 is an apocalyptic number.

It is an amenable number.

260705065 is a deficient number, since it is larger than the sum of its proper divisors (54529943).

260705065 is a wasteful number, since it uses less digits than its factorization.

260705065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398159.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 260705065 is about 16146.3638321450. The cubic root of 260705065 is about 638.8268425469.

The spelling of 260705065 in words is "two hundred sixty million, seven hundred five thousand, sixty-five".