609617 has 2 divisors, whose sum is σ = 609618. Its totient is φ = 609616.

The previous prime is 609613. The next prime is 609619. The reversal of 609617 is 716906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583696 + 25921 = 764^2 + 161^2 .

It is a cyclic number.

It is not a de Polignac number, because 609617 - 2² = 609613 is a prime.

Together with 609619, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₉₈₃₅ and since 609617 and 49835 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609617.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609617.

It is not a weakly prime, because it can be changed into another prime (609613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304808 + 304809.

It is an arithmetic number, because the mean of its divisors is an integer number (304809).

2⁶⁰⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

609617 is a deficient number, since it is larger than the sum of its proper divisors (1).

609617 is an equidigital number, since it uses as much as digits as its factorization.

609617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 609617 is about 780.7797384666. The cubic root of 609617 is about 84.7915074710.

The spelling of 609617 in words is "six hundred nine thousand, six hundred seventeen".