2597943 has 8 divisors (see below), whose sum is σ = 3472000. Its totient is φ = 1727928.

The previous prime is 2597939. The next prime is 2597953. The reversal of 2597943 is 3497952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2597943 - 2² = 2597939 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 9⁵ + 7⁴ + 9⁵ + 4 + 3³ .

It is a Duffinian number.

2597943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (434000).

2^2597943 is an apocalyptic number.

2597943 is a deficient number, since it is larger than the sum of its proper divisors (874057).

2597943 is a wasteful number, since it uses less digits than its factorization.

2597943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its digits is 68040, while the sum is 39.

The square root of 2597943 is about 1611.8135748281. The cubic root of 2597943 is about 137.4706141059.

Subtracting 2597943 from its reverse (3497952), we obtain a palindrome (900009).

The spelling of 2597943 in words is "two million, five hundred ninety-seven thousand, nine hundred forty-three".