538611 has 16 divisors (see below), whose sum is σ = 777600. Its totient is φ = 330368.

The previous prime is 538597. The next prime is 538621. The reversal of 538611 is 116835.

It is a cyclic number.

It is not a de Polignac number, because 538611 - 2⁵ = 538579 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538611.

It is not an unprimeable number, because it can be changed into a prime (538621) 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, 2920 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁵³⁸⁶¹¹ is an apocalyptic number.

538611 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

538611 is a deficient number, since it is larger than the sum of its proper divisors (238989).

538611 is a wasteful number, since it uses less digits than its factorization.

538611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its digits is 720, while the sum is 24.

The square root of 538611 is about 733.9012195112. The cubic root of 538611 is about 81.3626476941.

The spelling of 538611 in words is "five hundred thirty-eight thousand, six hundred eleven".