538525 has 12 divisors (see below), whose sum is σ = 719572. Its totient is φ = 397440.

The previous prime is 538523. The next prime is 538529. The reversal of 538525 is 525835.

It can be written as a sum of positive squares in 6 ways, for example, as 93636 + 444889 = 306^2 + 667^2 .

It is not a de Polignac number, because 538525 - 2¹ = 538523 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

538525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 538493 and 538502.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 504 + ... + 1153.

2⁵³⁸⁵²⁵ is an apocalyptic number.

It is an amenable number.

538525 is a deficient number, since it is larger than the sum of its proper divisors (181047).

538525 is a wasteful number, since it uses less digits than its factorization.

538525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1675 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 538525 is about 733.8426261808. The cubic root of 538525 is about 81.3583170732.

The spelling of 538525 in words is "five hundred thirty-eight thousand, five hundred twenty-five".