7917113 has 2 divisors, whose sum is σ = 7917114. Its totient is φ = 7917112.

The previous prime is 7917109. The next prime is 7917137. The reversal of 7917113 is 3117197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5508409 + 2408704 = 2347^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 7917113 - 2² = 7917109 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7914113) 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, 3958556 + 3958557.

It is an arithmetic number, because the mean of its divisors is an integer number (3958557).

Almost surely, 2^7917113 is an apocalyptic number.

It is an amenable number.

7917113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7917113 is an equidigital number, since it uses as much as digits as its factorization.

7917113 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 7917113 is about 2813.7364837525. The cubic root of 7917113 is about 199.3068756682.

The spelling of 7917113 in words is "seven million, nine hundred seventeen thousand, one hundred thirteen".