18059371 has 6 divisors (see below), whose sum is σ = 19850516. Its totient is φ = 16417500.

The previous prime is 18059359. The next prime is 18059383. The reversal of 18059371 is 17395081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18059359) and next prime (18059383).

It is not a de Polignac number, because 18059371 - 2⁵ = 18059339 is a prime.

It is a super-2 number, since 2×18059371² = 652281761831282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18059341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74505 + ... + 74746.

Almost surely, 2^18059371 is an apocalyptic number.

18059371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18059371 is a deficient number, since it is larger than the sum of its proper divisors (1791145).

18059371 is a wasteful number, since it uses less digits than its factorization.

18059371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149273 (or 149262 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 18059371 is about 4249.6318664091. The cubic root of 18059371 is about 262.3619640098.

The spelling of 18059371 in words is "eighteen million, fifty-nine thousand, three hundred seventy-one".