7913117 has 2 divisors, whose sum is σ = 7913118. Its totient is φ = 7913116.

The previous prime is 7913099. The next prime is 7913159. The reversal of 7913117 is 7113197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7761796 + 151321 = 2786^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 7913117 - 2¹² = 7909021 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 7913117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7913167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956558 + 3956559.

It is an arithmetic number, because the mean of its divisors is an integer number (3956559).

Almost surely, 2^7913117 is an apocalyptic number.

It is an amenable number.

7913117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7913117 is an equidigital number, since it uses as much as digits as its factorization.

7913117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 29.

The square root of 7913117 is about 2813.0263063114. The cubic root of 7913117 is about 199.2733380093.

The spelling of 7913117 in words is "seven million, nine hundred thirteen thousand, one hundred seventeen".