2623589 has 2 divisors, whose sum is σ = 2623590. Its totient is φ = 2623588.

The previous prime is 2623583. The next prime is 2623591. The reversal of 2623589 is 9853262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 168100 = 1567^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623589 - 2⁴ = 2623573 is a prime.

Together with 2623591, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 2¹⁹ + 3⁴ + 5 + 8⁷ + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311794 + 1311795.

It is an arithmetic number, because the mean of its divisors is an integer number (1311795).

2^2623589 is an apocalyptic number.

It is an amenable number.

2623589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623589 is an equidigital number, since it uses as much as digits as its factorization.

2623589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 2623589 is about 1619.7496720173. The cubic root of 2623589 is about 137.9214879319.

The spelling of 2623589 in words is "two million, six hundred twenty-three thousand, five hundred eighty-nine".