609317 has 4 divisors (see below), whose sum is σ = 613356. Its totient is φ = 605280.

The previous prime is 609313. The next prime is 609337. The reversal of 609317 is 713906.

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 279841 + 329476 = 529^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 609317 - 2² = 609313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609317.

It is not an unprimeable number, because it can be changed into a prime (609313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (153339).

2⁶⁰⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

609317 is a deficient number, since it is larger than the sum of its proper divisors (4039).

609317 is a wasteful number, since it uses less digits than its factorization.

609317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 609317 is about 780.5875991841. The cubic root of 609317 is about 84.7775962086. Note that the first 3 decimals are identical.

The spelling of 609317 in words is "six hundred nine thousand, three hundred seventeen".