680611 has 2 divisors, whose sum is σ = 680612. Its totient is φ = 680610.

The previous prime is 680597. The next prime is 680623. The reversal of 680611 is 116086.

It is a strong prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 119089 and 980911.

It is a cyclic number.

It is not a de Polignac number, because 680611 - 2¹¹ = 678563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340305 + 340306.

It is an arithmetic number, because the mean of its divisors is an integer number (340306).

2⁶⁸⁰⁶¹¹ is an apocalyptic number.

680611 is a deficient number, since it is larger than the sum of its proper divisors (1).

680611 is an equidigital number, since it uses as much as digits as its factorization.

680611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 680611 is about 824.9915151079. The cubic root of 680611 is about 87.9629234305.

Adding to 680611 its reverse (116086), we get a palindrome (796697).

The spelling of 680611 in words is "six hundred eighty thousand, six hundred eleven".