520165029 has 4 divisors (see below), whose sum is σ = 693553376. Its totient is φ = 346776684.

The previous prime is 520165013. The next prime is 520165057. The reversal of 520165029 is 920561025.

It is a happy number.

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 520165029 - 2⁴ = 520165013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520164987 and 520165005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520165829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86694169 + ... + 86694174.

It is an arithmetic number, because the mean of its divisors is an integer number (173388344).

Almost surely, 2^520165029 is an apocalyptic number.

It is an amenable number.

520165029 is a deficient number, since it is larger than the sum of its proper divisors (173388347).

520165029 is a wasteful number, since it uses less digits than its factorization.

520165029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173388346.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 520165029 is about 22807.1267151301. The cubic root of 520165029 is about 804.2302114831.

The spelling of 520165029 in words is "five hundred twenty million, one hundred sixty-five thousand, twenty-nine".