2613305 has 4 divisors (see below), whose sum is σ = 3135972. Its totient is φ = 2090640.

The previous prime is 2613229. The next prime is 2613313. The reversal of 2613305 is 5033162.

2613305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5033162 = 2 ⋅2516581.

It can be written as a sum of positive squares in 2 ways, for example, as 1008016 + 1605289 = 1004^2 + 1267^2 .

It is not a de Polignac number, because 2613305 - 2¹² = 2609209 is a prime.

It is a Duffinian number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 261326 + ... + 261335.

It is an arithmetic number, because the mean of its divisors is an integer number (783993).

2^2613305 is an apocalyptic number.

It is an amenable number.

2613305 is a deficient number, since it is larger than the sum of its proper divisors (522667).

2613305 is an equidigital number, since it uses as much as digits as its factorization.

2613305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522666.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2613305 is about 1616.5719903549. The cubic root of 2613305 is about 137.7410427606.

Adding to 2613305 its reverse (5033162), we get a palindrome (7646467).

It can be divided in two parts, 26 and 13305, that added together give a palindrome (13331).

The spelling of 2613305 in words is "two million, six hundred thirteen thousand, three hundred five".