260017613 has 4 divisors (see below), whose sum is σ = 266359548. Its totient is φ = 253675680.

The previous prime is 260017607. The next prime is 260017619. The reversal of 260017613 is 316710062.

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

It is an interprime number because it is at equal distance from previous prime (260017607) and next prime (260017619).

It can be written as a sum of positive squares in 2 ways, for example, as 36156169 + 223861444 = 6013^2 + 14962^2 .

It is a cyclic number.

It is not a de Polignac number, because 260017613 - 2²⁴ = 243240397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260017619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170906 + ... + 3170987.

It is an arithmetic number, because the mean of its divisors is an integer number (66589887).

Almost surely, 2^260017613 is an apocalyptic number.

It is an amenable number.

260017613 is a deficient number, since it is larger than the sum of its proper divisors (6341935).

260017613 is an equidigital number, since it uses as much as digits as its factorization.

260017613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341934.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 260017613 is about 16125.0616432930. The cubic root of 260017613 is about 638.2648417462.

Adding to 260017613 its reverse (316710062), we get a palindrome (576727675).

The spelling of 260017613 in words is "two hundred sixty million, seventeen thousand, six hundred thirteen".