8488531521 has 12 divisors (see below), whose sum is σ = 12273852240. Its totient is φ = 5653187160.

The previous prime is 8488531489. The next prime is 8488531531. The reversal of 8488531521 is 1251358848.

8488531521 is a `hidden beast` number, since 8 + 48 + 85 + 3 + 1 + 521 = 666.

It is not a de Polignac number, because 8488531521 - 2⁵ = 8488531489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8488531531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 476931 + ... + 494408.

It is an arithmetic number, because the mean of its divisors is an integer number (1022821020).

Almost surely, 2^8488531521 is an apocalyptic number.

It is an amenable number.

8488531521 is a deficient number, since it is larger than the sum of its proper divisors (3785320719).

8488531521 is a wasteful number, since it uses less digits than its factorization.

8488531521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972316 (or 972313 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The square root of 8488531521 is about 92133.2270193550. The cubic root of 8488531521 is about 2039.9092873447.

The spelling of 8488531521 in words is "eight billion, four hundred eighty-eight million, five hundred thirty-one thousand, five hundred twenty-one".