4530053521 has 4 divisors (see below), whose sum is σ = 5177204032. Its totient is φ = 3882903012.

The previous prime is 4530053519. The next prime is 4530053531. The reversal of 4530053521 is 1253500354.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1253500354 = 2 ⋅626750177.

It is a cyclic number.

It is not a de Polignac number, because 4530053521 - 2¹ = 4530053519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4530053521.

It is not an unprimeable number, because it can be changed into a prime (4530053531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323575245 + ... + 323575258.

It is an arithmetic number, because the mean of its divisors is an integer number (1294301008).

Almost surely, 2^4530053521 is an apocalyptic number.

It is an amenable number.

4530053521 is a deficient number, since it is larger than the sum of its proper divisors (647150511).

4530053521 is an equidigital number, since it uses as much as digits as its factorization.

4530053521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647150510.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 4530053521 is about 67305.6722795338. The cubic root of 4530053521 is about 1654.6308259780.

Adding to 4530053521 its reverse (1253500354), we get a palindrome (5783553875).

The spelling of 4530053521 in words is "four billion, five hundred thirty million, fifty-three thousand, five hundred twenty-one".