8534546521 has 4 divisors (see below), whose sum is σ = 8983733200. Its totient is φ = 8085359844.

The previous prime is 8534546491. The next prime is 8534546599. The reversal of 8534546521 is 1256454358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8534546521 - 2²¹ = 8532449369 is a prime.

It is a super-2 number, since 2×8534546521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8534546021) 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 3 ways as a sum of consecutive naturals, for example, 224593311 + ... + 224593348.

It is an arithmetic number, because the mean of its divisors is an integer number (2245933300).

Almost surely, 2^8534546521 is an apocalyptic number.

It is an amenable number.

8534546521 is a deficient number, since it is larger than the sum of its proper divisors (449186679).

8534546521 is a wasteful number, since it uses less digits than its factorization.

8534546521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449186678.

The product of its digits is 576000, while the sum is 43.

The square root of 8534546521 is about 92382.6094078317. The cubic root of 8534546521 is about 2043.5886564972.

The spelling of 8534546521 in words is "eight billion, five hundred thirty-four million, five hundred forty-six thousand, five hundred twenty-one".