520959 has 8 divisors (see below), whose sum is σ = 698752. Its totient is φ = 345240.

The previous prime is 520957. The next prime is 520963. The reversal of 520959 is 959025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520959 - 2¹ = 520957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (87344).

2⁵²⁰⁹⁵⁹ is an apocalyptic number.

520959 is a deficient number, since it is larger than the sum of its proper divisors (177793).

520959 is a wasteful number, since it uses less digits than its factorization.

520959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 520959 is about 721.7748956565. The cubic root of 520959 is about 80.4639191212.

The spelling of 520959 in words is "five hundred twenty thousand, nine hundred fifty-nine".