605530 has 16 divisors (see below), whose sum is σ = 1147680. Its totient is φ = 229392.

The previous prime is 605509. The next prime is 605531. The reversal of 605530 is 35506.

605530 = 346² + 347² + ... + 350².

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 605498 and 605507.

It is not an unprimeable number, because it can be changed into a prime (605531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (71730).

2⁶⁰⁵⁵³⁰ is an apocalyptic number.

605530 is a deficient number, since it is larger than the sum of its proper divisors (542150).

605530 is a wasteful number, since it uses less digits than its factorization.

605530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 605530 is about 778.1580816261. The cubic root of 605530 is about 84.6015957612.

The spelling of 605530 in words is "six hundred five thousand, five hundred thirty".