6680357 has 2 divisors, whose sum is σ = 6680358. Its totient is φ = 6680356.

The previous prime is 6680341. The next prime is 6680389. The reversal of 6680357 is 7530866.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5044516 + 1635841 = 2246^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 6680357 - 2⁴ = 6680341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6680657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3340178 + 3340179.

It is an arithmetic number, because the mean of its divisors is an integer number (3340179).

Almost surely, 2^6680357 is an apocalyptic number.

It is an amenable number.

6680357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6680357 is an equidigital number, since it uses as much as digits as its factorization.

6680357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 6680357 is about 2584.6386594648. The cubic root of 6680357 is about 188.3359486589.

The spelling of 6680357 in words is "six million, six hundred eighty thousand, three hundred fifty-seven".