3113917 has 2 divisors, whose sum is σ = 3113918. Its totient is φ = 3113916.

The previous prime is 3113899. The next prime is 3113921. The reversal of 3113917 is 7193113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1623076 + 1490841 = 1274^2 + 1221^2 .

It is an emirp because it is prime and its reverse (7193113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3113891 and 3113900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556958 + 1556959.

It is an arithmetic number, because the mean of its divisors is an integer number (1556959).

Almost surely, 2^3113917 is an apocalyptic number.

It is an amenable number.

3113917 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113917 is an equidigital number, since it uses as much as digits as its factorization.

3113917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567, while the sum is 25.

The square root of 3113917 is about 1764.6294228534. The cubic root of 3113917 is about 146.0278454427.

The spelling of 3113917 in words is "three million, one hundred thirteen thousand, nine hundred seventeen".