520676329 has 4 divisors (see below), whose sum is σ = 520752384. Its totient is φ = 520600276.

The previous prime is 520676327. The next prime is 520676333. The reversal of 520676329 is 923676025.

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 a cyclic number.

It is not a de Polignac number, because 520676329 - 2¹ = 520676327 is a prime.

It is a super-2 number, since 2×520676329² = 542207679161832482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520676291 and 520676300.

It is not an unprimeable number, because it can be changed into a prime (520676327) 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, 26617 + ... + 41830.

It is an arithmetic number, because the mean of its divisors is an integer number (130188096).

Almost surely, 2^520676329 is an apocalyptic number.

It is an amenable number.

520676329 is a deficient number, since it is larger than the sum of its proper divisors (76055).

520676329 is an equidigital number, since it uses as much as digits as its factorization.

520676329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76054.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 520676329 is about 22818.3331775132. Note that the first 3 decimals coincide. The cubic root of 520676329 is about 804.4936331706.

The spelling of 520676329 in words is "five hundred twenty million, six hundred seventy-six thousand, three hundred twenty-nine".