2511779 has 2 divisors, whose sum is σ = 2511780. Its totient is φ = 2511778.

The previous prime is 2511749. The next prime is 2511791. The reversal of 2511779 is 9771152.

2511779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2511779 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2511709) 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 as a sum of consecutive naturals, namely, 1255889 + 1255890.

It is an arithmetic number, because the mean of its divisors is an integer number (1255890).

2^2511779 is an apocalyptic number.

2511779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511779 is an equidigital number, since it uses as much as digits as its factorization.

2511779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 32.

The square root of 2511779 is about 1584.8592997487. The cubic root of 2511779 is about 135.9337011049.

The spelling of 2511779 in words is "two million, five hundred eleven thousand, seven hundred seventy-nine".