520156027 has 8 divisors (see below), whose sum is σ = 562331600. Its totient is φ = 479460384.

The previous prime is 520155943. The next prime is 520156031. The reversal of 520156027 is 720651025.

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

It is a cyclic number.

It is not a de Polignac number, because 520156027 - 2⁷ = 520155899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520155986 and 520156004.

It is not an unprimeable number, because it can be changed into a prime (520156057) 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, 369252 + ... + 370657.

It is an arithmetic number, because the mean of its divisors is an integer number (70291450).

Almost surely, 2^520156027 is an apocalyptic number.

520156027 is a deficient number, since it is larger than the sum of its proper divisors (42175573).

520156027 is a wasteful number, since it uses less digits than its factorization.

520156027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739965.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 520156027 is about 22806.9293636824. The cubic root of 520156027 is about 804.2255721080.

The spelling of 520156027 in words is "five hundred twenty million, one hundred fifty-six thousand, twenty-seven".