609589 has 2 divisors, whose sum is σ = 609590. Its totient is φ = 609588.

The previous prime is 609571. The next prime is 609593. The reversal of 609589 is 985906.

609589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 47089 = 750^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 609589 - 2⁷ = 609461 is a prime.

It is a d-powerful number, because it can be written as 6 + 0 + 5⁷ + 9 + 8 + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304794 + 304795.

It is an arithmetic number, because the mean of its divisors is an integer number (304795).

2⁶⁰⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

609589 is a deficient number, since it is larger than the sum of its proper divisors (1).

609589 is an equidigital number, since it uses as much as digits as its factorization.

609589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 609589 is about 780.7618074676. The cubic root of 609589 is about 84.7902092796.

The spelling of 609589 in words is "six hundred nine thousand, five hundred eighty-nine".