2613647 has 2 divisors, whose sum is σ = 2613648. Its totient is φ = 2613646.

The previous prime is 2613613. The next prime is 2613649. The reversal of 2613647 is 7463162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2613647 - 2¹⁴ = 2597263 is a prime.

Together with 2613649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2613649) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306823 + 1306824.

It is an arithmetic number, because the mean of its divisors is an integer number (1306824).

2^2613647 is an apocalyptic number.

2613647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613647 is an equidigital number, since it uses as much as digits as its factorization.

2613647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 2613647 is about 1616.6777662849. The cubic root of 2613647 is about 137.7470511653.

The spelling of 2613647 in words is "two million, six hundred thirteen thousand, six hundred forty-seven".