520273 has 8 divisors (see below), whose sum is σ = 578816. Its totient is φ = 464400.

The previous prime is 520241. The next prime is 520279. The reversal of 520273 is 372025.

It is a happy number.

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 520273 - 2⁵ = 520241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520273.

It is not an unprimeable number, because it can be changed into a prime (520279) 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, 243 + ... + 1048.

It is an arithmetic number, because the mean of its divisors is an integer number (72352).

2⁵²⁰²⁷³ is an apocalyptic number.

It is an amenable number.

520273 is a deficient number, since it is larger than the sum of its proper divisors (58543).

520273 is a wasteful number, since it uses less digits than its factorization.

520273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 520273 is about 721.2995216968. The cubic root of 520273 is about 80.4285852500.

Adding to 520273 its reverse (372025), we get a palindrome (892298).

The spelling of 520273 in words is "five hundred twenty thousand, two hundred seventy-three".