520983 has 12 divisors (see below), whose sum is σ = 760968. Its totient is φ = 343440.

The previous prime is 520981. The next prime is 521009. The reversal of 520983 is 389025.

It is not a de Polignac number, because 520983 - 2¹ = 520981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520981) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 693 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (63414).

2⁵²⁰⁹⁸³ is an apocalyptic number.

520983 is a deficient number, since it is larger than the sum of its proper divisors (239985).

520983 is a wasteful number, since it uses less digits than its factorization.

520983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 520983 is about 721.7915211472. The cubic root of 520983 is about 80.4651547299.

The spelling of 520983 in words is "five hundred twenty thousand, nine hundred eighty-three".