7118491 has 2 divisors, whose sum is σ = 7118492. Its totient is φ = 7118490.

The previous prime is 7118473. The next prime is 7118497. The reversal of 7118491 is 1948117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7118491 - 2⁵ = 7118459 is a prime.

It is not a weakly prime, because it can be changed into another prime (7118497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3559245 + 3559246.

It is an arithmetic number, because the mean of its divisors is an integer number (3559246).

Almost surely, 2^7118491 is an apocalyptic number.

7118491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7118491 is an equidigital number, since it uses as much as digits as its factorization.

7118491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 31.

The square root of 7118491 is about 2668.0500370120. The cubic root of 7118491 is about 192.3664424684.

The spelling of 7118491 in words is "seven million, one hundred eighteen thousand, four hundred ninety-one".