2605317347 has 2 divisors, whose sum is σ = 2605317348. Its totient is φ = 2605317346.

The previous prime is 2605317287. The next prime is 2605317349. The reversal of 2605317347 is 7437135062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2605317347 - 2¹⁰ = 2605316323 is a prime.

Together with 2605317349, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2605317347.

It is not a weakly prime, because it can be changed into another prime (2605317349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302658673 + 1302658674.

It is an arithmetic number, because the mean of its divisors is an integer number (1302658674).

Almost surely, 2^2605317347 is an apocalyptic number.

2605317347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605317347 is an equidigital number, since it uses as much as digits as its factorization.

2605317347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 2605317347 is about 51042.3093815317. The cubic root of 2605317347 is about 1376.0056285473.

The spelling of 2605317347 in words is "two billion, six hundred five million, three hundred seventeen thousand, three hundred forty-seven".