4505004521 has 4 divisors (see below), whose sum is σ = 4609772112. Its totient is φ = 4400236932.

The previous prime is 4505004509. The next prime is 4505004527. The reversal of 4505004521 is 1254005054.

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 a de Polignac number, because none of the positive numbers 2^k-4505004521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4505004527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52383731 + ... + 52383816.

It is an arithmetic number, because the mean of its divisors is an integer number (1152443028).

Almost surely, 2^4505004521 is an apocalyptic number.

It is an amenable number.

4505004521 is a deficient number, since it is larger than the sum of its proper divisors (104767591).

4505004521 is a wasteful number, since it uses less digits than its factorization.

4505004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104767590.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4505004521 is about 67119.3304570300. The cubic root of 4505004521 is about 1651.5754186064.

Adding to 4505004521 its reverse (1254005054), we get a palindrome (5759009575).

The spelling of 4505004521 in words is "four billion, five hundred five million, four thousand, five hundred twenty-one".