7147117 has 2 divisors, whose sum is σ = 7147118. Its totient is φ = 7147116.

The previous prime is 7147109. The next prime is 7147121. The reversal of 7147117 is 7117417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 2368521 = 2186^2 + 1539^2 .

It is an emirp because it is prime and its reverse (7117417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7147117 - 2³ = 7147109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7141117) 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, 3573558 + 3573559.

It is an arithmetic number, because the mean of its divisors is an integer number (3573559).

Almost surely, 2^7147117 is an apocalyptic number.

It is an amenable number.

7147117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7147117 is an equidigital number, since it uses as much as digits as its factorization.

7147117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1372, while the sum is 28.

The square root of 7147117 is about 2673.4092466362. The cubic root of 7147117 is about 192.6239556962.

The spelling of 7147117 in words is "seven million, one hundred forty-seven thousand, one hundred seventeen".