18048113 has 2 divisors, whose sum is σ = 18048114. Its totient is φ = 18048112.

The previous prime is 18048083. The next prime is 18048133. The reversal of 18048113 is 31184081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14691889 + 3356224 = 3833^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 18048113 - 2⁶ = 18048049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18048133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9024056 + 9024057.

It is an arithmetic number, because the mean of its divisors is an integer number (9024057).

Almost surely, 2^18048113 is an apocalyptic number.

It is an amenable number.

18048113 is a deficient number, since it is larger than the sum of its proper divisors (1).

18048113 is an equidigital number, since it uses as much as digits as its factorization.

18048113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 18048113 is about 4248.3070745887. The cubic root of 18048113 is about 262.3074348873.

The spelling of 18048113 in words is "eighteen million, forty-eight thousand, one hundred thirteen".