520553271 has 16 divisors (see below), whose sum is σ = 818812928. Its totient is φ = 287863200.

The previous prime is 520553263. The next prime is 520553281. The reversal of 520553271 is 172355025.

It is not a de Polignac number, because 520553271 - 2³ = 520553263 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 (520553251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399160 + ... + 400461.

It is an arithmetic number, because the mean of its divisors is an integer number (51175808).

Almost surely, 2^520553271 is an apocalyptic number.

520553271 is a deficient number, since it is larger than the sum of its proper divisors (298259657).

520553271 is a wasteful number, since it uses less digits than its factorization.

520553271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799662.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 520553271 is about 22815.6365460182. The cubic root of 520553271 is about 804.4302494699.

The spelling of 520553271 in words is "five hundred twenty million, five hundred fifty-three thousand, two hundred seventy-one".