522540616 has 32 divisors (see below), whose sum is σ = 1062243000. Its totient is φ = 239546880.

The previous prime is 522540593. The next prime is 522540631. The reversal of 522540616 is 616045225.

It can be written as a sum of positive squares in 4 ways, for example, as 96943716 + 425596900 = 9846^2 + 20630^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 32356.

Almost surely, 2^522540616 is an apocalyptic number.

It is an amenable number.

522540616 is an abundant number, since it is smaller than the sum of its proper divisors (539702384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522540616 is a wasteful number, since it uses less digits than its factorization.

522540616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33889 (or 33885 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 522540616 is about 22859.1473156809. The cubic root of 522540616 is about 805.4526554177.

The spelling of 522540616 in words is "five hundred twenty-two million, five hundred forty thousand, six hundred sixteen".