260581081 has 8 divisors (see below), whose sum is σ = 265177224. Its totient is φ = 255995520.

The previous prime is 260581043. The next prime is 260581127. The reversal of 260581081 is 180185062.

260581081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 855625 + 259725456 = 925^2 + 16116^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 260581081 - 2¹⁵ = 260548313 is a prime.

It is a super-2 number, since 2×260581081² = 135804999550257122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260581681) 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, 59685 + ... + 63901.

It is an arithmetic number, because the mean of its divisors is an integer number (33147153).

Almost surely, 2^260581081 is an apocalyptic number.

It is an amenable number.

260581081 is a deficient number, since it is larger than the sum of its proper divisors (4596143).

260581081 is a wasteful number, since it uses less digits than its factorization.

260581081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 260581081 is about 16142.5239971945. The cubic root of 260581081 is about 638.7255571265.

The spelling of 260581081 in words is "two hundred sixty million, five hundred eighty-one thousand, eighty-one".