522538 has 8 divisors (see below), whose sum is σ = 825120. Its totient is φ = 247500.

The previous prime is 522523. The next prime is 522541. The reversal of 522538 is 835225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×522538² = 546091922888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (103140).

2⁵²²⁵³⁸ is an apocalyptic number.

522538 is a deficient number, since it is larger than the sum of its proper divisors (302582).

522538 is a wasteful number, since it uses less digits than its factorization.

522538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772.

The product of its digits is 2400, while the sum is 25.

The square root of 522538 is about 722.8678994118. The cubic root of 522538 is about 80.5451311300.

The spelling of 522538 in words is "five hundred twenty-two thousand, five hundred thirty-eight".