18297119 has 2 divisors, whose sum is σ = 18297120. Its totient is φ = 18297118.

The previous prime is 18297113. The next prime is 18297127. The reversal of 18297119 is 91179281.

It is a weak prime.

It is an emirp because it is prime and its reverse (91179281) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18297119 is a prime.

It is a super-2 number, since 2×18297119² = 669569127400322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18297113) 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, 9148559 + 9148560.

It is an arithmetic number, because the mean of its divisors is an integer number (9148560).

Almost surely, 2^18297119 is an apocalyptic number.

18297119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18297119 is an equidigital number, since it uses as much as digits as its factorization.

18297119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 38.

The square root of 18297119 is about 4277.5131794069. The cubic root of 18297119 is about 263.5082625919.

The spelling of 18297119 in words is "eighteen million, two hundred ninety-seven thousand, one hundred nineteen".