520267 has 4 divisors (see below), whose sum is σ = 567576. Its totient is φ = 472960.

The previous prime is 520241. The next prime is 520279. The reversal of 520267 is 762025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23638 + ... + 23659.

It is an arithmetic number, because the mean of its divisors is an integer number (141894).

2⁵²⁰²⁶⁷ is an apocalyptic number.

520267 is a deficient number, since it is larger than the sum of its proper divisors (47309).

520267 is a wasteful number, since it uses less digits than its factorization.

520267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47308.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 520267 is about 721.2953625250. The cubic root of 520267 is about 80.4282760704.

It can be divided in two parts, 520 and 267, that added together give a palindrome (787).

The spelling of 520267 in words is "five hundred twenty thousand, two hundred sixty-seven".