4552513321 has 4 divisors (see below), whose sum is σ = 4554511444. Its totient is φ = 4550515200.

The previous prime is 4552513279. The next prime is 4552513331. The reversal of 4552513321 is 1233152554.

4552513321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2299682025 + 2252831296 = 47955^2 + 47464^2 .

It is a cyclic number.

It is not a de Polignac number, because 4552513321 - 2¹¹ = 4552511273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4552513331) 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, 995640 + ... + 1000201.

It is an arithmetic number, because the mean of its divisors is an integer number (1138627861).

Almost surely, 2^4552513321 is an apocalyptic number.

It is an amenable number.

4552513321 is a deficient number, since it is larger than the sum of its proper divisors (1998123).

4552513321 is a wasteful number, since it uses less digits than its factorization.

4552513321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998122.

The product of its digits is 18000, while the sum is 31.

The square root of 4552513321 is about 67472.3152189103. The cubic root of 4552513321 is about 1657.3608473716.

Adding to 4552513321 its reverse (1233152554), we get a palindrome (5785665875).

The spelling of 4552513321 in words is "four billion, five hundred fifty-two million, five hundred thirteen thousand, three hundred twenty-one".