520616 has 16 divisors (see below), whose sum is σ = 993600. Its totient is φ = 255664.

The previous prime is 520609. The next prime is 520621. The reversal of 520616 is 616025.

520616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

520616 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2⁵²⁰⁶¹⁶ is an apocalyptic number.

It is an amenable number.

520616 is a deficient number, since it is larger than the sum of its proper divisors (472984).

520616 is a wasteful number, since it uses less digits than its factorization.

520616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 520616 is about 721.5372478258. The cubic root of 520616 is about 80.4462560654.

The spelling of 520616 in words is "five hundred twenty thousand, six hundred sixteen".