4555252321 has 8 divisors (see below), whose sum is σ = 4648133160. Its totient is φ = 4462628352.

The previous prime is 4555252309. The next prime is 4555252333. The reversal of 4555252321 is 1232525554.

It is an interprime number because it is at equal distance from previous prime (4555252309) and next prime (4555252333).

It can be written as a sum of positive squares in 4 ways, for example, as 574273296 + 3980979025 = 23964^2 + 63095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4555252321 - 2⁷ = 4555252193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4555252301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28186 + ... + 99523.

It is an arithmetic number, because the mean of its divisors is an integer number (581016645).

Almost surely, 2^4555252321 is an apocalyptic number.

It is an amenable number.

4555252321 is a deficient number, since it is larger than the sum of its proper divisors (92880839).

4555252321 is a wasteful number, since it uses less digits than its factorization.

4555252321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128435.

The product of its digits is 60000, while the sum is 34.

The square root of 4555252321 is about 67492.6093805833. The cubic root of 4555252321 is about 1657.6931620699.

Adding to 4555252321 its reverse (1232525554), we get a palindrome (5787777875).

The spelling of 4555252321 in words is "four billion, five hundred fifty-five million, two hundred fifty-two thousand, three hundred twenty-one".