560509 has 4 divisors (see below), whose sum is σ = 562716. Its totient is φ = 558304.

The previous prime is 560503. The next prime is 560531. The reversal of 560509 is 905065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 49284 = 715^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 560509 - 2³ = 560501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560501) 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 3 ways as a sum of consecutive naturals, for example, 664 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (140679).

2⁵⁶⁰⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

560509 is a deficient number, since it is larger than the sum of its proper divisors (2207).

560509 is a wasteful number, since it uses less digits than its factorization.

560509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 560509 is about 748.6714900409. The cubic root of 560509 is about 82.4506714602.

The spelling of 560509 in words is "five hundred sixty thousand, five hundred nine".