7116409 has 2 divisors, whose sum is σ = 7116410. Its totient is φ = 7116408.

The previous prime is 7116379. The next prime is 7116419. The reversal of 7116409 is 9046117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6760000 + 356409 = 2600^2 + 597^2 .

It is a cyclic number.

It is not a de Polignac number, because 7116409 - 2¹⁵ = 7083641 is a prime.

It is equal to p₄₈₄₀₈₄ and since 7116409 and 484084 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7116419) 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, 3558204 + 3558205.

It is an arithmetic number, because the mean of its divisors is an integer number (3558205).

Almost surely, 2^7116409 is an apocalyptic number.

It is an amenable number.

7116409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7116409 is an equidigital number, since it uses as much as digits as its factorization.

7116409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7116409 is about 2667.6598358861. The cubic root of 7116409 is about 192.3476863404.

The spelling of 7116409 in words is "seven million, one hundred sixteen thousand, four hundred nine".