538547 has 4 divisors (see below), whose sum is σ = 542616. Its totient is φ = 534480.

The previous prime is 538529. The next prime is 538553. The reversal of 538547 is 745835.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538547 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538547.

It is not an unprimeable number, because it can be changed into a prime (538567) 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, 1829 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (135654).

2⁵³⁸⁵⁴⁷ is an apocalyptic number.

538547 is a deficient number, since it is larger than the sum of its proper divisors (4069).

538547 is a wasteful number, since it uses less digits than its factorization.

538547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068.

The product of its digits is 16800, while the sum is 32.

The square root of 538547 is about 733.8576156176. The cubic root of 538547 is about 81.3594249503.

The spelling of 538547 in words is "five hundred thirty-eight thousand, five hundred forty-seven".