2791039 has 2 divisors, whose sum is σ = 2791040. Its totient is φ = 2791038.

The previous prime is 2791037. The next prime is 2791051. The reversal of 2791039 is 9301972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2791039 - 2¹ = 2791037 is a prime.

Together with 2791037, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2791039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2791031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395519 + 1395520.

It is an arithmetic number, because the mean of its divisors is an integer number (1395520).

2^2791039 is an apocalyptic number.

2791039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791039 is an equidigital number, since it uses as much as digits as its factorization.

2791039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2791039 is about 1670.6402964133. The cubic root of 2791039 is about 140.7954548023.

The spelling of 2791039 in words is "two million, seven hundred ninety-one thousand, thirty-nine".