538203 has 16 divisors (see below), whose sum is σ = 776736. Its totient is φ = 330240.

The previous prime is 538201. The next prime is 538247. The reversal of 538203 is 302835.

538203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

538203 is a nontrivial binomial coefficient, being equal to C(1038, 2).

It is not a de Polignac number, because 538203 - 2¹ = 538201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538203.

It is not an unprimeable number, because it can be changed into a prime (538201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3025 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (48546).

2⁵³⁸²⁰³ is an apocalyptic number.

538203 is the 1037-th triangular number and also the 519-th hexagonal number.

538203 is a deficient number, since it is larger than the sum of its proper divisors (238533).

538203 is a wasteful number, since it uses less digits than its factorization.

538203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 538203 is about 733.6232002875. The cubic root of 538203 is about 81.3420983268.

It can be divided in two parts, 538 and 203, that added together give a triangular number (741 = T₃₈).

The spelling of 538203 in words is "five hundred thirty-eight thousand, two hundred three".