2613263 has 4 divisors (see below), whose sum is σ = 2619000. Its totient is φ = 2607528.

The previous prime is 2613229. The next prime is 2613313. The reversal of 2613263 is 3623162.

2613263 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2613263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613763) by changing a digit.

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, 2120 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (654750).

2^2613263 is an apocalyptic number.

2613263 is a deficient number, since it is larger than the sum of its proper divisors (5737).

2613263 is an equidigital number, since it uses as much as digits as its factorization.

2613263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736.

The product of its digits is 1296, while the sum is 23.

The square root of 2613263 is about 1616.5589998512. The cubic root of 2613263 is about 137.7403048502.

The spelling of 2613263 in words is "two million, six hundred thirteen thousand, two hundred sixty-three".