18048133 has 2 divisors, whose sum is σ = 18048134. Its totient is φ = 18048132.

The previous prime is 18048113. The next prime is 18048137. The reversal of 18048133 is 33184081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 7144929 = 3302^2 + 2673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18048133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18048137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9024066 + 9024067.

It is an arithmetic number, because the mean of its divisors is an integer number (9024067).

Almost surely, 2^18048133 is an apocalyptic number.

It is an amenable number.

18048133 is a deficient number, since it is larger than the sum of its proper divisors (1).

18048133 is an equidigital number, since it uses as much as digits as its factorization.

18048133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18048133 is about 4248.3094284668. The cubic root of 18048133 is about 262.3075317791.

It can be divided in two parts, 18048 and 133, that added together give a palindrome (18181).

The spelling of 18048133 in words is "eighteen million, forty-eight thousand, one hundred thirty-three".