18058459 has 2 divisors, whose sum is σ = 18058460. Its totient is φ = 18058458.

The previous prime is 18058363. The next prime is 18058483. The reversal of 18058459 is 95485081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18058459 - 2²³ = 9669851 is a prime.

It is a super-2 number, since 2×18058459² = 652215882909362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18058499) 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, 9029229 + 9029230.

It is an arithmetic number, because the mean of its divisors is an integer number (9029230).

Almost surely, 2^18058459 is an apocalyptic number.

18058459 is a deficient number, since it is larger than the sum of its proper divisors (1).

18058459 is an equidigital number, since it uses as much as digits as its factorization.

18058459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 18058459 is about 4249.5245616422. The cubic root of 18058459 is about 262.3575475005.

The spelling of 18058459 in words is "eighteen million, fifty-eight thousand, four hundred fifty-nine".