260541609 has 8 divisors (see below), whose sum is σ = 367823520. Its totient is φ = 163477056.

The previous prime is 260541607. The next prime is 260541647. The reversal of 260541609 is 906145062.

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

It is not a de Polignac number, because 260541609 - 2¹ = 260541607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260541609.

It is not an unprimeable number, because it can be changed into a prime (260541607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554279 + ... + 2554380.

It is an arithmetic number, because the mean of its divisors is an integer number (45977940).

Almost surely, 2^260541609 is an apocalyptic number.

It is an amenable number.

260541609 is a deficient number, since it is larger than the sum of its proper divisors (107281911).

260541609 is a wasteful number, since it uses less digits than its factorization.

260541609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108679.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 260541609 is about 16141.3013415895. The cubic root of 260541609 is about 638.6933047872.

The spelling of 260541609 in words is "two hundred sixty million, five hundred forty-one thousand, six hundred nine".