2791013 has 4 divisors (see below), whose sum is σ = 2794368. Its totient is φ = 2787660.

The previous prime is 2791007. The next prime is 2791031. The reversal of 2791013 is 3101972.

2791013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2791013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2791013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791093) 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 in 3 ways as a sum of consecutive naturals, for example, 620 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (698592).

2^2791013 is an apocalyptic number.

It is an amenable number.

2791013 is a deficient number, since it is larger than the sum of its proper divisors (3355).

2791013 is a wasteful number, since it uses less digits than its factorization.

2791013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2791013 is about 1670.6325149476. The cubic root of 2791013 is about 140.7950176063.

Adding to 2791013 its reverse (3101972), we get a palindrome (5892985).

The spelling of 2791013 in words is "two million, seven hundred ninety-one thousand, thirteen".