5004452521 has 4 divisors (see below), whose sum is σ = 5025931092. Its totient is φ = 4982973952.

The previous prime is 5004452489. The next prime is 5004452533. The reversal of 5004452521 is 1252544005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3065283225 + 1939169296 = 55365^2 + 44036^2 .

It is a cyclic number.

It is not a de Polignac number, because 5004452521 - 2⁵ = 5004452489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5004452521.

It is not an unprimeable number, because it can be changed into a prime (5004452561) 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, 10738936 + ... + 10739401.

It is an arithmetic number, because the mean of its divisors is an integer number (1256482773).

Almost surely, 2^5004452521 is an apocalyptic number.

It is an amenable number.

5004452521 is a deficient number, since it is larger than the sum of its proper divisors (21478571).

5004452521 is a wasteful number, since it uses less digits than its factorization.

5004452521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21478570.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5004452521 is about 70742.1551905227. The cubic root of 5004452521 is about 1710.4833763379.

Adding to 5004452521 its reverse (1252544005), we get a palindrome (6256996526).

The spelling of 5004452521 in words is "five billion, four million, four hundred fifty-two thousand, five hundred twenty-one".