520252616 has 32 divisors (see below), whose sum is σ = 1060932600. Its totient is φ = 237734400.

The previous prime is 520252583. The next prime is 520252643. The reversal of 520252616 is 616252025.

It can be written as a sum of positive squares in 4 ways, for example, as 362750116 + 157502500 = 19046^2 + 12550^2 .

It is an unprimeable 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 in 7 ways as a sum of consecutive naturals, for example, 14261 + ... + 35268.

Almost surely, 2^520252616 is an apocalyptic number.

It is an amenable number.

520252616 is an abundant number, since it is smaller than the sum of its proper divisors (540679984).

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

520252616 is a wasteful number, since it uses less digits than its factorization.

520252616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49649 (or 49645 counting only the distinct ones).

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

The square root of 520252616 is about 22809.0468016531. The cubic root of 520252616 is about 804.2753485418.

The spelling of 520252616 in words is "five hundred twenty million, two hundred fifty-two thousand, six hundred sixteen".