680299 has 2 divisors, whose sum is σ = 680300. Its totient is φ = 680298.

The previous prime is 680297. The next prime is 680321. The reversal of 680299 is 992086.

680299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680299 - 2¹ = 680297 is a prime.

Together with 680297, it forms a pair of twin primes.

680299 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (680291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340149 + 340150.

It is an arithmetic number, because the mean of its divisors is an integer number (340150).

2⁶⁸⁰²⁹⁹ is an apocalyptic number.

680299 is a deficient number, since it is larger than the sum of its proper divisors (1).

680299 is an equidigital number, since it uses as much as digits as its factorization.

680299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 680299 is about 824.8024005785. The cubic root of 680299 is about 87.9494803003.

It can be divided in two parts, 680 and 299, that added together give a palindrome (979).

The spelling of 680299 in words is "six hundred eighty thousand, two hundred ninety-nine".