538511 has 2 divisors, whose sum is σ = 538512. Its totient is φ = 538510.

The previous prime is 538487. The next prime is 538513. The reversal of 538511 is 115835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538511 - 2¹⁴ = 522127 is a prime.

It is a Sophie Germain prime.

Together with 538513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538511.

It is not a weakly prime, because it can be changed into another prime (538513) 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 as a sum of consecutive naturals, namely, 269255 + 269256.

It is an arithmetic number, because the mean of its divisors is an integer number (269256).

2⁵³⁸⁵¹¹ is an apocalyptic number.

538511 is a deficient number, since it is larger than the sum of its proper divisors (1).

538511 is an equidigital number, since it uses as much as digits as its factorization.

538511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 538511 is about 733.8330872889. The cubic root of 538511 is about 81.3576120448.

The spelling of 538511 in words is "five hundred thirty-eight thousand, five hundred eleven".