520350557252 has 12 divisors (see below), whose sum is σ = 911146321260. Its totient is φ = 260023036896.

The previous prime is 520350557249. The next prime is 520350557273. The reversal of 520350557252 is 252755053025.

It can be written as a sum of positive squares in 2 ways, for example, as 159899215876 + 360451341376 = 399874^2 + 600376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38052743 + ... + 38066414.

It is an arithmetic number, because the mean of its divisors is an integer number (75928860105).

Almost surely, 2^520350557252 is an apocalyptic number.

It is an amenable number.

520350557252 is a deficient number, since it is larger than the sum of its proper divisors (390795764008).

520350557252 is a wasteful number, since it uses less digits than its factorization.

520350557252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76120870 (or 76120868 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 41.

The spelling of 520350557252 in words is "five hundred twenty billion, three hundred fifty million, five hundred fifty-seven thousand, two hundred fifty-two".