2559591 has 12 divisors (see below), whose sum is σ = 3719040. Its totient is φ = 1696320.

The previous prime is 2559587. The next prime is 2559593. The reversal of 2559591 is 1959552.

It is not a de Polignac number, because 2559591 - 2² = 2559587 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559593) 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, 975 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (309920).

2^2559591 is an apocalyptic number.

2559591 is a deficient number, since it is larger than the sum of its proper divisors (1159449).

2559591 is a wasteful number, since it uses less digits than its factorization.

2559591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1683 counting only the distinct ones).

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

The square root of 2559591 is about 1599.8721823946. The cubic root of 2559591 is about 136.7907901361.

The spelling of 2559591 in words is "two million, five hundred fifty-nine thousand, five hundred ninety-one".