605489 has 4 divisors (see below), whose sum is σ = 641124. Its totient is φ = 569856.

The previous prime is 605477. The next prime is 605497. The reversal of 605489 is 984506.

605489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984506 = 2 ⋅492253.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 255025 = 592^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 605489 - 2⁸ = 605233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605789) 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, 17792 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (160281).

2⁶⁰⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

605489 is a deficient number, since it is larger than the sum of its proper divisors (35635).

605489 is a wasteful number, since it uses less digits than its factorization.

605489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35634.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 605489 is about 778.1317369186. The cubic root of 605489 is about 84.5996862804.

The spelling of 605489 in words is "six hundred five thousand, four hundred eighty-nine".