7685057 has 2 divisors, whose sum is σ = 7685058. Its totient is φ = 7685056.

The previous prime is 7685047. The next prime is 7685077. The reversal of 7685057 is 7505867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 3519376 = 2041^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 7685057 - 2⁸ = 7684801 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7685057.

It is not a weakly prime, because it can be changed into another prime (7685047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842528 + 3842529.

It is an arithmetic number, because the mean of its divisors is an integer number (3842529).

Almost surely, 2^7685057 is an apocalyptic number.

It is an amenable number.

7685057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7685057 is an equidigital number, since it uses as much as digits as its factorization.

7685057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 7685057 is about 2772.1935358124. The cubic root of 7685057 is about 197.3402607315.

The spelling of 7685057 in words is "seven million, six hundred eighty-five thousand, fifty-seven".