4515253321 has 4 divisors (see below), whose sum is σ = 4525005952. Its totient is φ = 4505500692.

The previous prime is 4515253319. The next prime is 4515253361. The reversal of 4515253321 is 1233525154.

4515253321 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4515253321 - 2¹ = 4515253319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4515253361) 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, 4875621 + ... + 4876546.

It is an arithmetic number, because the mean of its divisors is an integer number (1131251488).

Almost surely, 2^4515253321 is an apocalyptic number.

It is an amenable number.

4515253321 is a deficient number, since it is larger than the sum of its proper divisors (9752631).

4515253321 is an equidigital number, since it uses as much as digits as its factorization.

4515253321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752630.

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

The square root of 4515253321 is about 67195.6346870837. The cubic root of 4515253321 is about 1652.8269043206.

Adding to 4515253321 its reverse (1233525154), we get a palindrome (5748778475).

The spelling of 4515253321 in words is "four billion, five hundred fifteen million, two hundred fifty-three thousand, three hundred twenty-one".