520373 has 8 divisors (see below), whose sum is σ = 602880. Its totient is φ = 439920.

The previous prime is 520369. The next prime is 520379. The reversal of 520373 is 373025.

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

It is a cyclic number.

It is not a de Polignac number, because 520373 - 2² = 520369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520379) 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, 83 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (75360).

2⁵²⁰³⁷³ is an apocalyptic number.

It is an amenable number.

520373 is a deficient number, since it is larger than the sum of its proper divisors (82507).

520373 is an equidigital number, since it uses as much as digits as its factorization.

520373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 520373 is about 721.3688376968. The cubic root of 520373 is about 80.4337378931.

Adding to 520373 its reverse (373025), we get a palindrome (893398).

The spelling of 520373 in words is "five hundred twenty thousand, three hundred seventy-three".