18435059 has 2 divisors, whose sum is σ = 18435060. Its totient is φ = 18435058.

The previous prime is 18435041. The next prime is 18435091. The reversal of 18435059 is 95053481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18435059 - 2⁸ = 18434803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18435019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9217529 + 9217530.

It is an arithmetic number, because the mean of its divisors is an integer number (9217530).

Almost surely, 2^18435059 is an apocalyptic number.

18435059 is a deficient number, since it is larger than the sum of its proper divisors (1).

18435059 is an equidigital number, since it uses as much as digits as its factorization.

18435059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 18435059 is about 4293.6067588916. The cubic root of 18435059 is about 264.1687922332.

The spelling of 18435059 in words is "eighteen million, four hundred thirty-five thousand, fifty-nine".