3116657 has 2 divisors, whose sum is σ = 3116658. Its totient is φ = 3116656.

The previous prime is 3116651. The next prime is 3116669. The reversal of 3116657 is 7566113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 430336 = 1639^2 + 656^2 .

It is an emirp because it is prime and its reverse (7566113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3116657 - 2¹⁰ = 3115633 is a prime.

It is a super-3 number, since 3×3116657³ = 90821418807343336179, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3116651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558328 + 1558329.

It is an arithmetic number, because the mean of its divisors is an integer number (1558329).

Almost surely, 2^3116657 is an apocalyptic number.

It is an amenable number.

3116657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116657 is an equidigital number, since it uses as much as digits as its factorization.

3116657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 3116657 is about 1765.4056191142. The cubic root of 3116657 is about 146.0706638604.

It can be divided in two parts, 3116 and 657, that added together give a palindrome (3773).

The spelling of 3116657 in words is "three million, one hundred sixteen thousand, six hundred fifty-seven".