4514453521 has 4 divisors (see below), whose sum is σ = 4533829092. Its totient is φ = 4495077952.

The previous prime is 4514453497. The next prime is 4514453539. The reversal of 4514453521 is 1253544154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1253544154 = 2 ⋅626772077.

It can be written as a sum of positive squares in 2 ways, for example, as 244484496 + 4269969025 = 15636^2 + 65345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4514453521 - 2⁷ = 4514453393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4514453821) 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, 9687436 + ... + 9687901.

It is an arithmetic number, because the mean of its divisors is an integer number (1133457273).

Almost surely, 2^4514453521 is an apocalyptic number.

It is an amenable number.

4514453521 is a deficient number, since it is larger than the sum of its proper divisors (19375571).

4514453521 is a wasteful number, since it uses less digits than its factorization.

4514453521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19375570.

The product of its digits is 48000, while the sum is 34.

The square root of 4514453521 is about 67189.6831440661. The cubic root of 4514453521 is about 1652.7293085399.

Adding to 4514453521 its reverse (1253544154), we get a palindrome (5767997675).

The spelling of 4514453521 in words is "four billion, five hundred fourteen million, four hundred fifty-three thousand, five hundred twenty-one".