8520052520 has 64 divisors (see below), whose sum is σ = 23197466880. Its totient is φ = 2749326336.

The previous prime is 8520052507. The next prime is 8520052529. The reversal of 8520052520 is 252500258.

It is not an unprimeable number, because it can be changed into a prime (8520052529) 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, 890204 + ... + 899723.

It is an arithmetic number, because the mean of its divisors is an integer number (362460420).

Almost surely, 2^8520052520 is an apocalyptic number.

It is an amenable number.

8520052520 is an abundant number, since it is smaller than the sum of its proper divisors (14677414360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8520052520 is a wasteful number, since it uses less digits than its factorization.

8520052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789962 (or 1789958 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 8520052520 is about 92304.1305684637. The cubic root of 8520052520 is about 2042.4311429610.

Adding to 8520052520 its reverse (252500258), we get a palindrome (8772552778).

The spelling of 8520052520 in words is "eight billion, five hundred twenty million, fifty-two thousand, five hundred twenty".