5245451321 has 8 divisors (see below), whose sum is σ = 5722840704. Its totient is φ = 4768150320.

The previous prime is 5245451297. The next prime is 5245451327. The reversal of 5245451321 is 1231545425.

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 5245451321 - 2⁶ = 5245451257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5245451327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193616 + ... + 219038.

It is an arithmetic number, because the mean of its divisors is an integer number (715355088).

Almost surely, 2^5245451321 is an apocalyptic number.

It is an amenable number.

5245451321 is a deficient number, since it is larger than the sum of its proper divisors (477389383).

5245451321 is a wasteful number, since it uses less digits than its factorization.

5245451321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44191.

The product of its digits is 24000, while the sum is 32.

The square root of 5245451321 is about 72425.4880618695. The cubic root of 5245451321 is about 1737.5112304434.

Adding to 5245451321 its reverse (1231545425), we get a palindrome (6476996746).

The spelling of 5245451321 in words is "five billion, two hundred forty-five million, four hundred fifty-one thousand, three hundred twenty-one".