2591559 has 12 divisors (see below), whose sum is σ = 3781752. Its totient is φ = 1710000.

The previous prime is 2591551. The next prime is 2591579. The reversal of 2591559 is 9551952.

It is not a de Polignac number, because 2591559 - 2³ = 2591551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (315146).

2^2591559 is an apocalyptic number.

2591559 is a deficient number, since it is larger than the sum of its proper divisors (1190193).

2591559 is a wasteful number, since it uses less digits than its factorization.

2591559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2955 counting only the distinct ones).

The product of its digits is 20250, while the sum is 36.

The square root of 2591559 is about 1609.8319788102. The cubic root of 2591559 is about 137.3579182482.

The spelling of 2591559 in words is "two million, five hundred ninety-one thousand, five hundred fifty-nine".