609673 has 2 divisors, whose sum is σ = 609674. Its totient is φ = 609672.

The previous prime is 609641. The next prime is 609683. The reversal of 609673 is 376906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 13689 = 772^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 609673 - 2⁵ = 609641 is a prime.

609673 is a lucky number.

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, 304836 + 304837.

It is an arithmetic number, because the mean of its divisors is an integer number (304837).

2⁶⁰⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

609673 is a deficient number, since it is larger than the sum of its proper divisors (1).

609673 is an equidigital number, since it uses as much as digits as its factorization.

609673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 609673 is about 780.8155992294. The cubic root of 609673 is about 84.7941037345.

The spelling of 609673 in words is "six hundred nine thousand, six hundred seventy-three".