2043589 has 2 divisors, whose sum is σ = 2043590. Its totient is φ = 2043588.

The previous prime is 2043571. The next prime is 2043599. The reversal of 2043589 is 9853402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 562500 = 1217^2 + 750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2043589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021794 + 1021795.

It is an arithmetic number, because the mean of its divisors is an integer number (1021795).

2^2043589 is an apocalyptic number.

It is an amenable number.

2043589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043589 is an equidigital number, since it uses as much as digits as its factorization.

2043589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2043589 is about 1429.5415348985. The cubic root of 2043589 is about 126.9008464091.

The spelling of 2043589 in words is "two million, forty-three thousand, five hundred eighty-nine".