2539589 has 4 divisors (see below), whose sum is σ = 2734956. Its totient is φ = 2344224.

The previous prime is 2539583. The next prime is 2539627. The reversal of 2539589 is 9859352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 2427364 = 335^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539589 - 2⁴ = 2539573 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 (2539583) 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, 97664 + ... + 97689.

It is an arithmetic number, because the mean of its divisors is an integer number (683739).

2^2539589 is an apocalyptic number.

It is an amenable number.

2539589 is a deficient number, since it is larger than the sum of its proper divisors (195367).

2539589 is a wasteful number, since it uses less digits than its factorization.

2539589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195366.

The product of its digits is 97200, while the sum is 41.

The square root of 2539589 is about 1593.6087976665. The cubic root of 2539589 is about 136.4335393654.

The spelling of 2539589 in words is "two million, five hundred thirty-nine thousand, five hundred eighty-nine".