118533 has 4 divisors (see below), whose sum is σ = 158048. Its totient is φ = 79020.

The previous prime is 118529. The next prime is 118543. The reversal of 118533 is 335811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 118533 - 2² = 118529 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19753 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (39512).

2¹¹⁸⁵³³ is an apocalyptic number.

It is an amenable number.

118533 is a deficient number, since it is larger than the sum of its proper divisors (39515).

118533 is an equidigital number, since it uses as much as digits as its factorization.

118533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39514.

The product of its digits is 360, while the sum is 21.

The square root of 118533 is about 344.2862181383. The cubic root of 118533 is about 49.1224205342.

The spelling of 118533 in words is "one hundred eighteen thousand, five hundred thirty-three".