260516 has 6 divisors (see below), whose sum is σ = 455910. Its totient is φ = 130256.

The previous prime is 260489. The next prime is 260527. The reversal of 260516 is 615062.

It can be written as a sum of positive squares in only one way, i.e., 168100 + 92416 = 410^2 + 304^2 .

It is an unprimeable number.

260516 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 32561 + ... + 32568.

It is an arithmetic number, because the mean of its divisors is an integer number (75985).

2²⁶⁰⁵¹⁶ is an apocalyptic number.

It is an amenable number.

260516 is a deficient number, since it is larger than the sum of its proper divisors (195394).

260516 is a wasteful number, since it uses less digits than its factorization.

260516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65133 (or 65131 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 260516 is about 510.4076801930. The cubic root of 260516 is about 63.8672378081.

Adding to 260516 its reverse (615062), we get a palindrome (875578).

The spelling of 260516 in words is "two hundred sixty thousand, five hundred sixteen".