2591247611 has 2 divisors, whose sum is σ = 2591247612. Its totient is φ = 2591247610.

The previous prime is 2591247587. The next prime is 2591247613. The reversal of 2591247611 is 1167421952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2591247611 - 2¹⁰ = 2591246587 is a prime.

Together with 2591247613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2591247613) 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, 1295623805 + 1295623806.

It is an arithmetic number, because the mean of its divisors is an integer number (1295623806).

Almost surely, 2^2591247611 is an apocalyptic number.

2591247611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591247611 is an equidigital number, since it uses as much as digits as its factorization.

2591247611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 2591247611 is about 50904.2985513011. The cubic root of 2591247611 is about 1373.5241661022.

The spelling of 2591247611 in words is "two billion, five hundred ninety-one million, two hundred forty-seven thousand, six hundred eleven".