520416525 has 24 divisors (see below), whose sum is σ = 864051840. Its totient is φ = 276384640.

The previous prime is 520416509. The next prime is 520416527. The reversal of 520416525 is 525614025.

It is not a de Polignac number, because 520416525 - 2⁴ = 520416509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520416492 and 520416501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520416527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3409 + ... + 32441.

It is an arithmetic number, because the mean of its divisors is an integer number (36002160).

Almost surely, 2^520416525 is an apocalyptic number.

It is an amenable number.

520416525 is a deficient number, since it is larger than the sum of its proper divisors (343635315).

520416525 is a wasteful number, since it uses less digits than its factorization.

520416525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29285 (or 29280 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 520416525 is about 22812.6395886140. The cubic root of 520416525 is about 804.3598037481.

The spelling of 520416525 in words is "five hundred twenty million, four hundred sixteen thousand, five hundred twenty-five".