2609589 has 4 divisors (see below), whose sum is σ = 3479456. Its totient is φ = 1739724.

The previous prime is 2609587. The next prime is 2609597. The reversal of 2609589 is 9859062.

It is a happy number.

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.

It is not a de Polignac number, because 2609589 - 2¹ = 2609587 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434929 + ... + 434934.

It is an arithmetic number, because the mean of its divisors is an integer number (869864).

2^2609589 is an apocalyptic number.

It is an amenable number.

2609589 is a deficient number, since it is larger than the sum of its proper divisors (869867).

2609589 is an equidigital number, since it uses as much as digits as its factorization.

2609589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869866.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2609589 is about 1615.4222358257. The cubic root of 2609589 is about 137.6757246400.

The spelling of 2609589 in words is "two million, six hundred nine thousand, five hundred eighty-nine".