520553528231 has 8 divisors (see below), whose sum is σ = 592566862464. Its totient is φ = 452655241720.

The previous prime is 520553528203. The next prime is 520553528237. The reversal of 520553528231 is 132825355025.

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

It is not a de Polignac number, because 520553528231 - 2¹⁴ = 520553511847 is a prime.

It is a super-3 number, since 3×520553528231³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520553528237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028761661 + ... + 1028762166.

It is an arithmetic number, because the mean of its divisors is an integer number (74070857808).

Almost surely, 2^520553528231 is an apocalyptic number.

520553528231 is a deficient number, since it is larger than the sum of its proper divisors (72013334233).

520553528231 is a wasteful number, since it uses less digits than its factorization.

520553528231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057523861.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 520553528231 in words is "five hundred twenty billion, five hundred fifty-three million, five hundred twenty-eight thousand, two hundred thirty-one".