18059039 has 2 divisors, whose sum is σ = 18059040. Its totient is φ = 18059038.

The previous prime is 18059033. The next prime is 18059047. The reversal of 18059039 is 93095081.

It is a weak prime.

It is an emirp because it is prime and its reverse (93095081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18059039 - 2⁸ = 18058783 is a prime.

It is a super-2 number, since 2×18059039² = 652257779207042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18059033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029519 + 9029520.

It is an arithmetic number, because the mean of its divisors is an integer number (9029520).

Almost surely, 2^18059039 is an apocalyptic number.

18059039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18059039 is an equidigital number, since it uses as much as digits as its factorization.

18059039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 18059039 is about 4249.5928040225. The cubic root of 18059039 is about 262.3603562627.

The spelling of 18059039 in words is "eighteen million, fifty-nine thousand, thirty-nine".