2125589 has 4 divisors (see below), whose sum is σ = 2130060. Its totient is φ = 2121120.

The previous prime is 2125579. The next prime is 2125601. The reversal of 2125589 is 9855212.

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 550564 + 1575025 = 742^2 + 1255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125589 is a prime.

It is a super-3 number, since 3×2125589³ = 28811053338602134407, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125559) 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, 1424 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (532515).

2^2125589 is an apocalyptic number.

It is an amenable number.

2125589 is a deficient number, since it is larger than the sum of its proper divisors (4471).

2125589 is an equidigital number, since it uses as much as digits as its factorization.

2125589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470.

The product of its digits is 7200, while the sum is 32.

The square root of 2125589 is about 1457.9399850474. The cubic root of 2125589 is about 128.5759567482.

The spelling of 2125589 in words is "two million, one hundred twenty-five thousand, five hundred eighty-nine".