538523 has 2 divisors, whose sum is σ = 538524. Its totient is φ = 538522.

The previous prime is 538519. The next prime is 538529. The reversal of 538523 is 325835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538523 - 2² = 538519 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 538492 and 538501.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538523.

It is not a weakly prime, because it can be changed into another prime (538529) 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, 269261 + 269262.

It is an arithmetic number, because the mean of its divisors is an integer number (269262).

2⁵³⁸⁵²³ is an apocalyptic number.

538523 is a deficient number, since it is larger than the sum of its proper divisors (1).

538523 is an equidigital number, since it uses as much as digits as its factorization.

538523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 538523 is about 733.8412634896. The cubic root of 538523 is about 81.3582163556.

The spelling of 538523 in words is "five hundred thirty-eight thousand, five hundred twenty-three".