522520616 has 16 divisors (see below), whose sum is σ = 980142900. Its totient is φ = 261149184.

The previous prime is 522520597. The next prime is 522520627. The reversal of 522520616 is 616025225.

It can be written as a sum of positive squares in 2 ways, for example, as 460960900 + 61559716 = 21470^2 + 7846^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8150 + ... + 33338.

Almost surely, 2^522520616 is an apocalyptic number.

It is an amenable number.

522520616 is a deficient number, since it is larger than the sum of its proper divisors (457622284).

522520616 is a wasteful number, since it uses less digits than its factorization.

522520616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27788 (or 27784 counting only the distinct ones).

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

The square root of 522520616 is about 22858.7098498581. The cubic root of 522520616 is about 805.4423791775.

The spelling of 522520616 in words is "five hundred twenty-two million, five hundred twenty thousand, six hundred sixteen".