520276829 has 4 divisors (see below), whose sum is σ = 547659840. Its totient is φ = 492893820.

The previous prime is 520276811. The next prime is 520276831. The reversal of 520276829 is 928672025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 520276829 - 2¹² = 520272733 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 (520272829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13691477 + ... + 13691514.

It is an arithmetic number, because the mean of its divisors is an integer number (136914960).

Almost surely, 2^520276829 is an apocalyptic number.

It is an amenable number.

520276829 is a deficient number, since it is larger than the sum of its proper divisors (27383011).

520276829 is a wasteful number, since it uses less digits than its factorization.

520276829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383010.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 520276829 is about 22809.5775717132. The cubic root of 520276829 is about 804.2878255682.

The spelling of 520276829 in words is "five hundred twenty million, two hundred seventy-six thousand, eight hundred twenty-nine".