538612111 has 4 divisors (see below), whose sum is σ = 538658824. Its totient is φ = 538565400.

The previous prime is 538612103. The next prime is 538612141. The reversal of 538612111 is 111216835.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 538612111 - 2³ = 538612103 is a prime.

It is a super-2 number, since 2×538612111² = 580206012231752642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538612111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538612141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7741 + ... + 33721.

It is an arithmetic number, because the mean of its divisors is an integer number (134664706).

Almost surely, 2^538612111 is an apocalyptic number.

538612111 is a deficient number, since it is larger than the sum of its proper divisors (46713).

538612111 is a wasteful number, since it uses less digits than its factorization.

538612111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46712.

The product of its digits is 1440, while the sum is 28.

The square root of 538612111 is about 23208.0182480108. The cubic root of 538612111 is about 813.6270363666.

Adding to 538612111 its reverse (111216835), we get a palindrome (649828946).

The spelling of 538612111 in words is "five hundred thirty-eight million, six hundred twelve thousand, one hundred eleven".