260503 has 4 divisors (see below), whose sum is σ = 263520. Its totient is φ = 257488.

The previous prime is 260489. The next prime is 260527. The reversal of 260503 is 305062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305062 = 2 ⋅152531.

It is a cyclic number.

It is not a de Polignac number, because 260503 - 2⁹ = 259991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (65880).

2²⁶⁰⁵⁰³ is an apocalyptic number.

260503 is a deficient number, since it is larger than the sum of its proper divisors (3017).

260503 is an equidigital number, since it uses as much as digits as its factorization.

260503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 260503 is about 510.3949451160. The cubic root of 260503 is about 63.8661754449.

Adding to 260503 its reverse (305062), we get a palindrome (565565).

The spelling of 260503 in words is "two hundred sixty thousand, five hundred three".