2545589 has 4 divisors (see below), whose sum is σ = 2556480. Its totient is φ = 2534700.

The previous prime is 2545573. The next prime is 2545603. The reversal of 2545589 is 9855452.

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 a cyclic number.

It is not a de Polignac number, because 2545589 - 2⁴ = 2545573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (639120).

2^2545589 is an apocalyptic number.

It is an amenable number.

2545589 is a deficient number, since it is larger than the sum of its proper divisors (10891).

2545589 is a wasteful number, since it uses less digits than its factorization.

2545589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10890.

The product of its digits is 72000, while the sum is 38.

The square root of 2545589 is about 1595.4902068017. The cubic root of 2545589 is about 136.5409002296.

The spelling of 2545589 in words is "two million, five hundred forty-five thousand, five hundred eighty-nine".