8525013553 has 16 divisors (see below), whose sum is σ = 9793405440. Its totient is φ = 7269313536.

The previous prime is 8525013551. The next prime is 8525013559. The reversal of 8525013553 is 3553105258.

It is a cyclic number.

It is not a de Polignac number, because 8525013553 - 2¹ = 8525013551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8525013551) 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, 3079576 + ... + 3082342.

It is an arithmetic number, because the mean of its divisors is an integer number (612087840).

Almost surely, 2^8525013553 is an apocalyptic number.

It is an amenable number.

8525013553 is a deficient number, since it is larger than the sum of its proper divisors (1268391887).

8525013553 is a wasteful number, since it uses less digits than its factorization.

8525013553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 8525013553 is about 92330.9999566776. Note that the first 4 decimals coincide. The cubic root of 8525013553 is about 2042.8274864600.

The spelling of 8525013553 in words is "eight billion, five hundred twenty-five million, thirteen thousand, five hundred fifty-three".