2591659 has 12 divisors (see below), whose sum is σ = 3041064. Its totient is φ = 2202144.

The previous prime is 2591623. The next prime is 2591669. The reversal of 2591659 is 9561952.

It is not a de Polignac number, because 2591659 - 2¹¹ = 2589611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2591609) 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 11 ways as a sum of consecutive naturals, for example, 11007 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (253422).

2^2591659 is an apocalyptic number.

2591659 is a deficient number, since it is larger than the sum of its proper divisors (449405).

2591659 is a wasteful number, since it uses less digits than its factorization.

2591659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its digits is 24300, while the sum is 37.

The square root of 2591659 is about 1609.8630376526. The cubic root of 2591659 is about 137.3596849602.

The spelling of 2591659 in words is "two million, five hundred ninety-one thousand, six hundred fifty-nine".