260287 has 8 divisors (see below), whose sum is σ = 281232. Its totient is φ = 240000.

The previous prime is 260269. The next prime is 260317. The reversal of 260287 is 782062.

260287 is nontrivially palindromic in base 4.

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 260287 - 2¹⁵ = 227519 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260207) 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, 912 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2²⁶⁰²⁸⁷ is an apocalyptic number.

260287 is a deficient number, since it is larger than the sum of its proper divisors (20945).

260287 is a wasteful number, since it uses less digits than its factorization.

260287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 260287 is about 510.1833003931. The cubic root of 260287 is about 63.8485186956.

The spelling of 260287 in words is "two hundred sixty thousand, two hundred eighty-seven".