2502779 has 2 divisors, whose sum is σ = 2502780. Its totient is φ = 2502778.

The previous prime is 2502767. The next prime is 2502781. The reversal of 2502779 is 9772052.

2502779 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-2502779 is a prime.

Together with 2502781, 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 (2502719) 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, 1251389 + 1251390.

It is an arithmetic number, because the mean of its divisors is an integer number (1251390).

2^2502779 is an apocalyptic number.

2502779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502779 is an equidigital number, since it uses as much as digits as its factorization.

2502779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2502779 is about 1582.0173829639. The cubic root of 2502779 is about 135.7711513178.

The spelling of 2502779 in words is "two million, five hundred two thousand, seven hundred seventy-nine".