7081117 has 2 divisors, whose sum is σ = 7081118. Its totient is φ = 7081116.

The previous prime is 7081099. The next prime is 7081157. The reversal of 7081117 is 7111807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 196 = 2661^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 7081117 - 2¹¹ = 7079069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7081091 and 7081100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7081157) 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, 3540558 + 3540559.

It is an arithmetic number, because the mean of its divisors is an integer number (3540559).

Almost surely, 2^7081117 is an apocalyptic number.

It is an amenable number.

7081117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7081117 is an equidigital number, since it uses as much as digits as its factorization.

7081117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 7081117 is about 2661.0368280052. The cubic root of 7081117 is about 192.0291929714.

The spelling of 7081117 in words is "seven million, eighty-one thousand, one hundred seventeen".