260515 has 4 divisors (see below), whose sum is σ = 312624. Its totient is φ = 208408.

The previous prime is 260489. The next prime is 260527. The reversal of 260515 is 515062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260515 - 2⁵ = 260483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260492 and 260501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26047 + ... + 26056.

It is an arithmetic number, because the mean of its divisors is an integer number (78156).

2²⁶⁰⁵¹⁵ is an apocalyptic number.

260515 is a deficient number, since it is larger than the sum of its proper divisors (52109).

260515 is an equidigital number, since it uses as much as digits as its factorization.

260515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52108.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 260515 is about 510.4067005830. The cubic root of 260515 is about 63.8671560891.

Adding to 260515 its reverse (515062), we get a palindrome (775577).

The spelling of 260515 in words is "two hundred sixty thousand, five hundred fifteen".