2643079 has 2 divisors, whose sum is σ = 2643080. Its totient is φ = 2643078.

The previous prime is 2643073. The next prime is 2643097. The reversal of 2643079 is 9703462.

Together with next prime (2643097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2643079 - 2¹¹ = 2641031 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6² + 4¹⁰ + 3¹³ + 0 + 7 + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 2643079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321539 + 1321540.

It is an arithmetic number, because the mean of its divisors is an integer number (1321540).

2^2643079 is an apocalyptic number.

2643079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643079 is an equidigital number, since it uses as much as digits as its factorization.

2643079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2643079 is about 1625.7549015765. The cubic root of 2643079 is about 138.2621740111.

The spelling of 2643079 in words is "two million, six hundred forty-three thousand, seventy-nine".