201533 has 4 divisors (see below), whose sum is σ = 212160. Its totient is φ = 190908.

The previous prime is 201517. The next prime is 201547. The reversal of 201533 is 335102.

201533 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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 a cyclic number.

It is not a de Polignac number, because 201533 - 2⁴ = 201517 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201233) 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, 5285 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (53040).

2²⁰¹⁵³³ is an apocalyptic number.

It is an amenable number.

201533 is a deficient number, since it is larger than the sum of its proper divisors (10627).

201533 is a wasteful number, since it uses less digits than its factorization.

201533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 201533 is about 448.9242697828. The cubic root of 201533 is about 58.6293919269.

Adding to 201533 its reverse (335102), we get a palindrome (536635).

It can be divided in two parts, 2015 and 33, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 201533 in words is "two hundred one thousand, five hundred thirty-three".