538559 has 12 divisors (see below), whose sum is σ = 649800. Its totient is φ = 444528.

The previous prime is 538553. The next prime is 538561. The reversal of 538559 is 955835.

It is not a de Polignac number, because 538559 - 2⁸ = 538303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (54150).

2⁵³⁸⁵⁵⁹ is an apocalyptic number.

538559 is a deficient number, since it is larger than the sum of its proper divisors (111241).

538559 is a wasteful number, since it uses less digits than its factorization.

538559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 538559 is about 733.8657915450. The cubic root of 538559 is about 81.3600292342.

The spelling of 538559 in words is "five hundred thirty-eight thousand, five hundred fifty-nine".