6685753 has 2 divisors, whose sum is σ = 6685754. Its totient is φ = 6685752.

The previous prime is 6685751. The next prime is 6685759. The reversal of 6685753 is 3575866.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 350464 = 2517^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 6685753 - 2¹ = 6685751 is a prime.

Together with 6685751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6685751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342876 + 3342877.

It is an arithmetic number, because the mean of its divisors is an integer number (3342877).

Almost surely, 2^6685753 is an apocalyptic number.

It is an amenable number.

6685753 is a deficient number, since it is larger than the sum of its proper divisors (1).

6685753 is an equidigital number, since it uses as much as digits as its factorization.

6685753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 6685753 is about 2585.6823084053. The cubic root of 6685753 is about 188.3866439174.

The spelling of 6685753 in words is "six million, six hundred eighty-five thousand, seven hundred fifty-three".