2613613 has 2 divisors, whose sum is σ = 2613614. Its totient is φ = 2613612.

The previous prime is 2613607. The next prime is 2613647. The reversal of 2613613 is 3163162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 110889 = 1582^2 + 333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2613613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2613673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306806 + 1306807.

It is an arithmetic number, because the mean of its divisors is an integer number (1306807).

2^2613613 is an apocalyptic number.

It is an amenable number.

2613613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613613 is an equidigital number, since it uses as much as digits as its factorization.

2613613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 2613613 is about 1616.6672508590. The cubic root of 2613613 is about 137.7464538620.

Adding to 2613613 its reverse (3163162), we get a palindrome (5776775).

The spelling of 2613613 in words is "two million, six hundred thirteen thousand, six hundred thirteen".