7098109 has 2 divisors, whose sum is σ = 7098110. Its totient is φ = 7098108.

The previous prime is 7098097. The next prime is 7098121. The reversal of 7098109 is 9018907.

It is a balanced prime because it is at equal distance from previous prime (7098097) and next prime (7098121).

It can be written as a sum of positive squares in only one way, i.e., 3694084 + 3404025 = 1922^2 + 1845^2 .

It is an emirp because it is prime and its reverse (9018907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7098109 - 2¹⁹ = 6573821 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7098149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3549054 + 3549055.

It is an arithmetic number, because the mean of its divisors is an integer number (3549055).

Almost surely, 2^7098109 is an apocalyptic number.

It is an amenable number.

7098109 is a deficient number, since it is larger than the sum of its proper divisors (1).

7098109 is an equidigital number, since it uses as much as digits as its factorization.

7098109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 7098109 is about 2664.2276554379. The cubic root of 7098109 is about 192.1826693963.

The spelling of 7098109 in words is "seven million, ninety-eight thousand, one hundred nine".