606505 has 8 divisors (see below), whose sum is σ = 735624. Its totient is φ = 480000.

The previous prime is 606503. The next prime is 606521. The reversal of 606505 is 505606.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 571536 = 187^2 + 756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 606505 - 2¹ = 606503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606503) 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 in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (91953).

2⁶⁰⁶⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

606505 is a deficient number, since it is larger than the sum of its proper divisors (129119).

606505 is a wasteful number, since it uses less digits than its factorization.

606505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 606505 is about 778.7843090356. The cubic root of 606505 is about 84.6469787718.

Adding to 606505 its reverse (505606), we get a palindrome (1112111).

It can be divided in two parts, 606 and 505, that added together give a palindrome (1111).

The spelling of 606505 in words is "six hundred six thousand, five hundred five".