520486684025 has 72 divisors (see below), whose sum is σ = 823147761600. Its totient is φ = 322827120000.

The previous prime is 520486683989. The next prime is 520486684033.

520486684025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520486684025 - 2¹² = 520486679929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2584475 + ... + 2778575.

It is an arithmetic number, because the mean of its divisors is an integer number (11432607800).

Almost surely, 2^520486684025 is an apocalyptic number.

520486684025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520486684025 is a deficient number, since it is larger than the sum of its proper divisors (302661077575).

520486684025 is a wasteful number, since it uses less digits than its factorization.

520486684025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194335 (or 194323 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 520486684025 in words is "five hundred twenty billion, four hundred eighty-six million, six hundred eighty-four thousand, twenty-five".