2589021 has 6 divisors (see below), whose sum is σ = 3739710. Its totient is φ = 1726008.

The previous prime is 2589011. The next prime is 2589029. The reversal of 2589021 is 1209852.

2589021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 12996 = 1605^2 + 114^2 .

It is not a de Polignac number, because 2589021 - 2⁷ = 2588893 is a prime.

2589021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143826 + ... + 143843.

It is an arithmetic number, because the mean of its divisors is an integer number (623285).

2^2589021 is an apocalyptic number.

It is an amenable number.

2589021 is a deficient number, since it is larger than the sum of its proper divisors (1150689).

2589021 is a wasteful number, since it uses less digits than its factorization.

2589021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287675 (or 287672 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2589021 is about 1609.0435046946. The cubic root of 2589021 is about 137.3130638752.

The spelling of 2589021 in words is "two million, five hundred eighty-nine thousand, twenty-one".