538031 has 4 divisors (see below), whose sum is σ = 579432. Its totient is φ = 496632.

The previous prime is 538019. The next prime is 538049. The reversal of 538031 is 130835.

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

It is a cyclic number.

It is not a de Polignac number, because 538031 - 2¹⁰ = 537007 is a prime.

It is a super-2 number, since 2×538031² = 578954713922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537994 and 538012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538001) 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 3 ways as a sum of consecutive naturals, for example, 20681 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (144858).

2⁵³⁸⁰³¹ is an apocalyptic number.

538031 is a deficient number, since it is larger than the sum of its proper divisors (41401).

538031 is a wasteful number, since it uses less digits than its factorization.

538031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41400.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 538031 is about 733.5059645293. The cubic root of 538031 is about 81.3334322463. Note that the first 3 decimals are identical.

Adding to 538031 its reverse (130835), we get a palindrome (668866).

The spelling of 538031 in words is "five hundred thirty-eight thousand, thirty-one".