605000 has 60 divisors (see below), whose sum is σ = 1558095. Its totient is φ = 220000.

The previous prime is 604997. The next prime is 605009. The reversal of 605000 is 506.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 139876 + 465124 = 374^2 + 682^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=550.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (605009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 54995 + ... + 55005.

2⁶⁰⁵⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605000

605000 is an abundant number, since it is smaller than the sum of its proper divisors (953095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605000 is a wasteful number, since it uses less digits than its factorization.

605000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 605000 is about 777.8174593052. The cubic root of 605000 is about 84.5769055811.

Adding to 605000 its reverse (506), we get a palindrome (605506).

The spelling of 605000 in words is "six hundred five thousand".