680247 has 6 divisors (see below), whose sum is σ = 982592. Its totient is φ = 453492.

The previous prime is 680237. The next prime is 680249. The reversal of 680247 is 742086.

680247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680247 - 2¹⁰ = 679223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680247.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680247.

It is not an unprimeable number, because it can be changed into a prime (680249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37783 + ... + 37800.

2⁶⁸⁰²⁴⁷ is an apocalyptic number.

680247 is a deficient number, since it is larger than the sum of its proper divisors (302345).

680247 is a wasteful number, since it uses less digits than its factorization.

680247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75589 (or 75586 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 680247 is about 824.7708772744. The cubic root of 680247 is about 87.9472393791.

The spelling of 680247 in words is "six hundred eighty thousand, two hundred forty-seven".