538488523 has 4 divisors (see below), whose sum is σ = 538759368. Its totient is φ = 538217680.

The previous prime is 538488497. The next prime is 538488529. The reversal of 538488523 is 325884835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325884835 = 5 ⋅65176967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538488523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538488529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132418 + ... + 136423.

It is an arithmetic number, because the mean of its divisors is an integer number (134689842).

Almost surely, 2^538488523 is an apocalyptic number.

538488523 is a deficient number, since it is larger than the sum of its proper divisors (270845).

538488523 is a wasteful number, since it uses less digits than its factorization.

538488523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270844.

The product of its digits is 921600, while the sum is 46.

The square root of 538488523 is about 23205.3554810091. The cubic root of 538488523 is about 813.5648009607.

The spelling of 538488523 in words is "five hundred thirty-eight million, four hundred eighty-eight thousand, five hundred twenty-three".