520156029 has 8 divisors (see below), whose sum is σ = 695060800. Its totient is φ = 346010976.

The previous prime is 520155943. The next prime is 520156031. The reversal of 520156029 is 920651025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520156029 - 2⁷ = 520155901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520155987 and 520156005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520156129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188329 + ... + 191070.

It is an arithmetic number, because the mean of its divisors is an integer number (86882600).

Almost surely, 2^520156029 is an apocalyptic number.

It is an amenable number.

520156029 is a deficient number, since it is larger than the sum of its proper divisors (174904771).

520156029 is a wasteful number, since it uses less digits than its factorization.

520156029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379859.

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

The square root of 520156029 is about 22806.9294075288. The cubic root of 520156029 is about 804.2255731387.

The spelling of 520156029 in words is "five hundred twenty million, one hundred fifty-six thousand, twenty-nine".