260500 has 24 divisors (see below), whose sum is σ = 570024. Its totient is φ = 104000.

The previous prime is 260489. The next prime is 260527. The reversal of 260500 is 5062.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 234256 = 162^2 + 484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240 + ... + 760.

It is an arithmetic number, because the mean of its divisors is an integer number (23751).

2²⁶⁰⁵⁰⁰ is an apocalyptic number.

260500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285012).

260500 is an abundant number, since it is smaller than the sum of its proper divisors (309524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260500 is a wasteful number, since it uses less digits than its factorization.

260500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 260500 is about 510.3920062070. The cubic root of 260500 is about 63.8659302791.

Adding to 260500 its reverse (5062), we get a palindrome (265562).

The spelling of 260500 in words is "two hundred sixty thousand, five hundred".