18088601 has 2 divisors, whose sum is σ = 18088602. Its totient is φ = 18088600.

The previous prime is 18088573. The next prime is 18088607. The reversal of 18088601 is 10688081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 6255001 = 3440^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 18088601 - 2¹⁰ = 18087577 is a prime.

It is a super-2 number, since 2×18088601² = 654394972274402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18088607) 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, 9044300 + 9044301.

It is an arithmetic number, because the mean of its divisors is an integer number (9044301).

Almost surely, 2^18088601 is an apocalyptic number.

It is an amenable number.

18088601 is a deficient number, since it is larger than the sum of its proper divisors (1).

18088601 is an equidigital number, since it uses as much as digits as its factorization.

18088601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 18088601 is about 4253.0695973614. The cubic root of 18088601 is about 262.5034363874.

The spelling of 18088601 in words is "eighteen million, eighty-eight thousand, six hundred one".