675617 has 2 divisors, whose sum is σ = 675618. Its totient is φ = 675616.

The previous prime is 675611. The next prime is 675629. The reversal of 675617 is 716576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 73441 = 776^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 675617 - 2⁴ = 675601 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337808 + 337809.

It is an arithmetic number, because the mean of its divisors is an integer number (337809).

2⁶⁷⁵⁶¹⁷ is an apocalyptic number.

It is an amenable number.

675617 is a deficient number, since it is larger than the sum of its proper divisors (1).

675617 is an equidigital number, since it uses as much as digits as its factorization.

675617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 675617 is about 821.9592447318. The cubic root of 675617 is about 87.7472516949.

The spelling of 675617 in words is "six hundred seventy-five thousand, six hundred seventeen".