18088573 has 2 divisors, whose sum is σ = 18088574. Its totient is φ = 18088572.

The previous prime is 18088541. The next prime is 18088601. The reversal of 18088573 is 37588081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 5257849 = 3582^2 + 2293^2 .

It is a cyclic number.

It is not a de Polignac number, because 18088573 - 2⁵ = 18088541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18088673) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9044286 + 9044287.

It is an arithmetic number, because the mean of its divisors is an integer number (9044287).

Almost surely, 2^18088573 is an apocalyptic number.

It is an amenable number.

18088573 is a deficient number, since it is larger than the sum of its proper divisors (1).

18088573 is an equidigital number, since it uses as much as digits as its factorization.

18088573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 18088573 is about 4253.0663056200. The cubic root of 18088573 is about 262.5033009411.

The spelling of 18088573 in words is "eighteen million, eighty-eight thousand, five hundred seventy-three".