6680245 has 16 divisors (see below), whose sum is σ = 9418752. Its totient is φ = 4484160.

The previous prime is 6680227. The next prime is 6680249. The reversal of 6680245 is 5420866.

It is not a de Polignac number, because 6680245 - 2¹¹ = 6678197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3957 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (588672).

Almost surely, 2^6680245 is an apocalyptic number.

6680245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6680245 is a deficient number, since it is larger than the sum of its proper divisors (2738507).

6680245 is a wasteful number, since it uses less digits than its factorization.

6680245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6680245 is about 2584.6169929024. The cubic root of 6680245 is about 188.3348961331.

The spelling of 6680245 in words is "six million, six hundred eighty thousand, two hundred forty-five".