522616 has 8 divisors (see below), whose sum is σ = 979920. Its totient is φ = 261304.

The previous prime is 522601. The next prime is 522623. The reversal of 522616 is 616225.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

522616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 32656 + ... + 32671.

It is an arithmetic number, because the mean of its divisors is an integer number (122490).

2⁵²²⁶¹⁶ is an apocalyptic number.

It is an amenable number.

522616 is a deficient number, since it is larger than the sum of its proper divisors (457304).

522616 is a wasteful number, since it uses less digits than its factorization.

522616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65333 (or 65329 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 522616 is about 722.9218491649. The cubic root of 522616 is about 80.5491386266.

The spelling of 522616 in words is "five hundred twenty-two thousand, six hundred sixteen".