18286097 has 2 divisors, whose sum is σ = 18286098. Its totient is φ = 18286096.

The previous prime is 18286091. The next prime is 18286117. The reversal of 18286097 is 79068281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 7203856 = 3329^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 18286097 - 2¹⁶ = 18220561 is a prime.

It is not a weakly prime, because it can be changed into another prime (18286091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9143048 + 9143049.

It is an arithmetic number, because the mean of its divisors is an integer number (9143049).

Almost surely, 2^18286097 is an apocalyptic number.

It is an amenable number.

18286097 is a deficient number, since it is larger than the sum of its proper divisors (1).

18286097 is an equidigital number, since it uses as much as digits as its factorization.

18286097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 18286097 is about 4276.2246199188. The cubic root of 18286097 is about 263.4553403903.

The spelling of 18286097 in words is "eighteen million, two hundred eighty-six thousand, ninety-seven".