609065 has 8 divisors (see below), whose sum is σ = 736008. Its totient is φ = 483840.

The previous prime is 609047. The next prime is 609067. The reversal of 609065 is 560906.

It can be written as a sum of positive squares in 4 ways, for example, as 6889 + 602176 = 83^2 + 776^2 .

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

It is not a de Polignac number, because 609065 - 2¹⁴ = 592681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609065.

It is not an unprimeable number, because it can be changed into a prime (609067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (92001).

2⁶⁰⁹⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

609065 is a deficient number, since it is larger than the sum of its proper divisors (126943).

609065 is a wasteful number, since it uses less digits than its factorization.

609065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 609065 is about 780.4261656300. The cubic root of 609065 is about 84.7659072191.

The spelling of 609065 in words is "six hundred nine thousand, sixty-five".