2597009 has 4 divisors (see below), whose sum is σ = 2600304. Its totient is φ = 2593716.

The previous prime is 2596991. The next prime is 2597011. The reversal of 2597009 is 9007952.

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 not a de Polignac number, because 2597009 - 2¹² = 2592913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2597029) 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, 314 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (650076).

2^2597009 is an apocalyptic number.

It is an amenable number.

2597009 is a deficient number, since it is larger than the sum of its proper divisors (3295).

2597009 is a wasteful number, since it uses less digits than its factorization.

2597009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2597009 is about 1611.5238130416. The cubic root of 2597009 is about 137.4541378728.

The spelling of 2597009 in words is "two million, five hundred ninety-seven thousand, nine".