2597671 has 4 divisors (see below), whose sum is σ = 2601144. Its totient is φ = 2594200.

The previous prime is 2597669. The next prime is 2597681. The reversal of 2597671 is 1767952.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2597671 - 2¹ = 2597669 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 2597671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (650286).

2^2597671 is an apocalyptic number.

2597671 is a deficient number, since it is larger than the sum of its proper divisors (3473).

2597671 is a wasteful number, since it uses less digits than its factorization.

2597671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its digits is 26460, while the sum is 37.

The square root of 2597671 is about 1611.7291956157. The cubic root of 2597671 is about 137.4658162957.

The spelling of 2597671 in words is "two million, five hundred ninety-seven thousand, six hundred seventy-one".