538526 has 16 divisors (see below), whose sum is σ = 876096. Its totient is φ = 247296.

The previous prime is 538523. The next prime is 538529. The reversal of 538526 is 625835.

It is an interprime number because it is at equal distance from previous prime (538523) and next prime (538529).

It is an Ulam number.

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 538526.

It is not an unprimeable number, because it can be changed into a prime (538523) 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 in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (54756).

2⁵³⁸⁵²⁶ is an apocalyptic number.

538526 is a deficient number, since it is larger than the sum of its proper divisors (337570).

538526 is a wasteful number, since it uses less digits than its factorization.

538526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 7200, while the sum is 29.

The square root of 538526 is about 733.8433075255. The cubic root of 538526 is about 81.3583674319.

The spelling of 538526 in words is "five hundred thirty-eight thousand, five hundred twenty-six".