260381 has 4 divisors (see below), whose sum is σ = 284064. Its totient is φ = 236700.

The previous prime is 260363. The next prime is 260387. The reversal of 260381 is 183062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260381 - 2⁶ = 260317 is a prime.

It is a super-2 number, since 2×260381² = 135596530322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11825 + ... + 11846.

It is an arithmetic number, because the mean of its divisors is an integer number (71016).

2²⁶⁰³⁸¹ is an apocalyptic number.

It is an amenable number.

260381 is a deficient number, since it is larger than the sum of its proper divisors (23683).

260381 is a wasteful number, since it uses less digits than its factorization.

260381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23682.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 260381 is about 510.2754158295. The cubic root of 260381 is about 63.8562038514.

The spelling of 260381 in words is "two hundred sixty thousand, three hundred eighty-one".