5451250321 has 8 divisors (see below), whose sum is σ = 6151881600. Its totient is φ = 4784796240.

The previous prime is 5451250313. The next prime is 5451250327. The reversal of 5451250321 is 1230521545.

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 5451250321 - 2³ = 5451250313 is a prime.

It is a super-2 number, since 2×5451250321² = 59432260124405206082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5451250321.

It is not an unprimeable number, because it can be changed into a prime (5451250327) 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, 8543961 + ... + 8544598.

It is an arithmetic number, because the mean of its divisors is an integer number (768985200).

Almost surely, 2^5451250321 is an apocalyptic number.

It is an amenable number.

5451250321 is a deficient number, since it is larger than the sum of its proper divisors (700631279).

5451250321 is a wasteful number, since it uses less digits than its factorization.

5451250321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088599.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5451250321 is about 73832.5830578885. The cubic root of 5451250321 is about 1759.9434297632.

Adding to 5451250321 its reverse (1230521545), we get a palindrome (6681771866).

The spelling of 5451250321 in words is "five billion, four hundred fifty-one million, two hundred fifty thousand, three hundred twenty-one".