520575 has 24 divisors (see below), whose sum is σ = 940416. Its totient is φ = 252000.

The previous prime is 520571. The next prime is 520589. The reversal of 520575 is 575025.

It is not a de Polignac number, because 520575 - 2² = 520571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (39184).

2⁵²⁰⁵⁷⁵ is an apocalyptic number.

520575 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

520575 is a deficient number, since it is larger than the sum of its proper divisors (419841).

520575 is a wasteful number, since it uses less digits than its factorization.

520575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 520575 is about 721.5088357047. The cubic root of 520575 is about 80.4441442190. Note that the first 3 decimals are identical.

The spelling of 520575 in words is "five hundred twenty thousand, five hundred seventy-five".