538331523 has 16 divisors (see below), whose sum is σ = 741666816. Its totient is φ = 346965120.

The previous prime is 538331513. The next prime is 538331557. The reversal of 538331523 is 325133835.

It is not a de Polignac number, because 538331523 - 2¹⁷ = 538200451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538331513) 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, 118390 + ... + 122852.

It is an arithmetic number, because the mean of its divisors is an integer number (46354176).

Almost surely, 2^538331523 is an apocalyptic number.

538331523 is a deficient number, since it is larger than the sum of its proper divisors (203335293).

538331523 is a wasteful number, since it uses less digits than its factorization.

538331523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794.

The product of its digits is 32400, while the sum is 33.

The square root of 538331523 is about 23201.9723946047. The cubic root of 538331523 is about 813.4857264872.

The spelling of 538331523 in words is "five hundred thirty-eight million, three hundred thirty-one thousand, five hundred twenty-three".