2591047 has 4 divisors (see below), whose sum is σ = 2595096. Its totient is φ = 2587000.

The previous prime is 2591041. The next prime is 2591053. The reversal of 2591047 is 7401952.

It is a happy number.

2591047 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.

It is an interprime number because it is at equal distance from previous prime (2591041) and next prime (2591053).

It is a cyclic number.

It is not a de Polignac number, because 2591047 - 2¹⁹ = 2066759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591041) 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, 829 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (648774).

2^2591047 is an apocalyptic number.

2591047 is a deficient number, since it is larger than the sum of its proper divisors (4049).

2591047 is an equidigital number, since it uses as much as digits as its factorization.

2591047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2591047 is about 1609.6729481482. The cubic root of 2591047 is about 137.3488719706.

Adding to 2591047 its reverse (7401952), we get a palindrome (9992999).

The spelling of 2591047 in words is "two million, five hundred ninety-one thousand, forty-seven".