2111589 has 20 divisors (see below), whose sum is σ = 3194400. Its totient is φ = 1389960.

The previous prime is 2111579. The next prime is 2111597. The reversal of 2111589 is 9851112.

It is not a de Polignac number, because 2111589 - 2¹⁹ = 1587301 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10512 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (159720).

2^2111589 is an apocalyptic number.

It is an amenable number.

2111589 is a deficient number, since it is larger than the sum of its proper divisors (1082811).

2111589 is a wasteful number, since it uses less digits than its factorization.

2111589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 333 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 2111589 is about 1453.1307580531. The cubic root of 2111589 is about 128.2930500803.

The spelling of 2111589 in words is "two million, one hundred eleven thousand, five hundred eighty-nine".