538133 has 4 divisors (see below), whose sum is σ = 543180. Its totient is φ = 533088.

The previous prime is 538127. The next prime is 538147. The reversal of 538133 is 331835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305809 + 232324 = 553^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 538133 - 2⁴ = 538117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538099 and 538108.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538133.

It is not an unprimeable number, because it can be changed into a prime (538123) 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, 2360 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (135795).

2⁵³⁸¹³³ is an apocalyptic number.

It is an amenable number.

538133 is a deficient number, since it is larger than the sum of its proper divisors (5047).

538133 is a wasteful number, since it uses less digits than its factorization.

538133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its digits is 1080, while the sum is 23.

The square root of 538133 is about 733.5754903212. The cubic root of 538133 is about 81.3385716564.

Adding to 538133 its reverse (331835), we get a palindrome (869968).

The spelling of 538133 in words is "five hundred thirty-eight thousand, one hundred thirty-three".