260813 has 16 divisors (see below), whose sum is σ = 328320. Its totient is φ = 202176.

The previous prime is 260809. The next prime is 260849. The reversal of 260813 is 318062.

It is a cyclic number.

It is not a de Polignac number, because 260813 - 2² = 260809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260863) 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 15 ways as a sum of consecutive naturals, for example, 4895 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2²⁶⁰⁸¹³ is an apocalyptic number.

It is an amenable number.

260813 is a deficient number, since it is larger than the sum of its proper divisors (67507).

260813 is a wasteful number, since it uses less digits than its factorization.

260813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

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

The square root of 260813 is about 510.6985412159. The cubic root of 260813 is about 63.8914991022.

Adding to 260813 its reverse (318062), we get a palindrome (578875).

The spelling of 260813 in words is "two hundred sixty thousand, eight hundred thirteen".