18267097 has 2 divisors, whose sum is σ = 18267098. Its totient is φ = 18267096.

The previous prime is 18267079. The next prime is 18267127. The reversal of 18267097 is 79076281.

Together with previous prime (18267079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 6405961 = 3444^2 + 2531^2 .

It is a cyclic number.

It is not a de Polignac number, because 18267097 - 2²³ = 9878489 is a prime.

It is not a weakly prime, because it can be changed into another prime (18267047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9133548 + 9133549.

It is an arithmetic number, because the mean of its divisors is an integer number (9133549).

Almost surely, 2^18267097 is an apocalyptic number.

It is an amenable number.

18267097 is a deficient number, since it is larger than the sum of its proper divisors (1).

18267097 is an equidigital number, since it uses as much as digits as its factorization.

18267097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 18267097 is about 4274.0024567143. The cubic root of 18267097 is about 263.3640618239.

The spelling of 18267097 in words is "eighteen million, two hundred sixty-seven thousand, ninety-seven".