538129 has 4 divisors (see below), whose sum is σ = 555520. Its totient is φ = 520740.

The previous prime is 538127. The next prime is 538147. The reversal of 538129 is 921835.

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 538129 - 2¹ = 538127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538097 and 538106.

It is not an unprimeable number, because it can be changed into a prime (538121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8649 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (138880).

2⁵³⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

538129 is a deficient number, since it is larger than the sum of its proper divisors (17391).

538129 is a wasteful number, since it uses less digits than its factorization.

538129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17390.

The product of its digits is 2160, while the sum is 28.

The square root of 538129 is about 733.5727639437. The cubic root of 538129 is about 81.3383701231.

The spelling of 538129 in words is "five hundred thirty-eight thousand, one hundred twenty-nine".