260381289 has 8 divisors (see below), whose sum is σ = 396771520. Its totient is φ = 148789296.

The previous prime is 260381273. The next prime is 260381327. The reversal of 260381289 is 982183062.

It is a happy number.

260381289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 260381289 - 2⁴ = 260381273 is a prime.

It is a super-2 number, since 2×260381289² = 135596831322603042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260385289) 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, 6199534 + ... + 6199575.

It is an arithmetic number, because the mean of its divisors is an integer number (49596440).

Almost surely, 2^260381289 is an apocalyptic number.

It is an amenable number.

260381289 is a deficient number, since it is larger than the sum of its proper divisors (136390231).

260381289 is a wasteful number, since it uses less digits than its factorization.

260381289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12399119.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 260381289 is about 16136.3344350568. The cubic root of 260381289 is about 638.5622747627.

The spelling of 260381289 in words is "two hundred sixty million, three hundred eighty-one thousand, two hundred eighty-nine".