18045607 has 2 divisors, whose sum is σ = 18045608. Its totient is φ = 18045606.

The previous prime is 18045571. The next prime is 18045623. The reversal of 18045607 is 70654081.

It is a strong prime.

It is an emirp because it is prime and its reverse (70654081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18045607 - 2¹⁹ = 17521319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18045637) 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, 9022803 + 9022804.

It is an arithmetic number, because the mean of its divisors is an integer number (9022804).

Almost surely, 2^18045607 is an apocalyptic number.

18045607 is a deficient number, since it is larger than the sum of its proper divisors (1).

18045607 is an equidigital number, since it uses as much as digits as its factorization.

18045607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 18045607 is about 4248.0121233349. The cubic root of 18045607 is about 262.2952937683.

Adding to 18045607 its reverse (70654081), we get a palindrome (88699688).

The spelling of 18045607 in words is "eighteen million, forty-five thousand, six hundred seven".