2597391 has 12 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 1689120.

The previous prime is 2597377. The next prime is 2597401. The reversal of 2597391 is 1937952.

2597391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2597391 - 2⁵ = 2597359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597191) 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 11 ways as a sum of consecutive naturals, for example, 3151 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (320320).

2^2597391 is an apocalyptic number.

2597391 is a deficient number, since it is larger than the sum of its proper divisors (1246449).

2597391 is a wasteful number, since it uses less digits than its factorization.

2597391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7083 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 2597391 is about 1611.6423300472. The cubic root of 2597391 is about 137.4608770236.

The spelling of 2597391 in words is "two million, five hundred ninety-seven thousand, three hundred ninety-one".