522081 has 12 divisors (see below), whose sum is σ = 861952. Its totient is φ = 298296.

The previous prime is 522079. The next prime is 522083. The reversal of 522081 is 180225.

522081 = T₁₈₃ + T₁₈₄ + ... + T₂₀₉.

It is an interprime number because it is at equal distance from previous prime (522079) and next prime (522083).

It is not a de Polignac number, because 522081 - 2¹ = 522079 is a prime.

It is a super-2 number, since 2×522081² = 545137141122, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522081.

It is not an unprimeable number, because it can be changed into a prime (522083) 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 11 ways as a sum of consecutive naturals, for example, 4081 + ... + 4206.

2⁵²²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

522081 is a deficient number, since it is larger than the sum of its proper divisors (339871).

522081 is a wasteful number, since it uses less digits than its factorization.

522081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300 (or 8297 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 522081 is about 722.5517282520. The cubic root of 522081 is about 80.5216432938.

The spelling of 522081 in words is "five hundred twenty-two thousand, eighty-one".