4557025321 has 8 divisors (see below), whose sum is σ = 4833233064. Its totient is φ = 4281722880.

The previous prime is 4557025309. The next prime is 4557025331. The reversal of 4557025321 is 1235207554.

It can be written as a sum of positive squares in 4 ways, for example, as 319015321 + 4238010000 = 17861^2 + 65100^2 .

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 4557025321 - 2⁵ = 4557025289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4557025331) 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, 215940 + ... + 236101.

It is an arithmetic number, because the mean of its divisors is an integer number (604154133).

Almost surely, 2^4557025321 is an apocalyptic number.

It is an amenable number.

4557025321 is a deficient number, since it is larger than the sum of its proper divisors (276207743).

4557025321 is a wasteful number, since it uses less digits than its factorization.

4557025321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452651.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 4557025321 is about 67505.7428742177. The cubic root of 4557025321 is about 1657.9082038527.

The spelling of 4557025321 in words is "four billion, five hundred fifty-seven million, twenty-five thousand, three hundred twenty-one".