4452421251 has 8 divisors (see below), whose sum is σ = 5936870080. Its totient is φ = 2968126632.

The previous prime is 4452421241. The next prime is 4452421321. The reversal of 4452421251 is 1521242544.

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

It is not a de Polignac number, because 4452421251 - 2¹⁵ = 4452388483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4452421241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91380 + ... + 131358.

It is an arithmetic number, because the mean of its divisors is an integer number (742108760).

Almost surely, 2^4452421251 is an apocalyptic number.

4452421251 is a deficient number, since it is larger than the sum of its proper divisors (1484448829).

4452421251 is a wasteful number, since it uses less digits than its factorization.

4452421251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77105.

The product of its digits is 12800, while the sum is 30.

The square root of 4452421251 is about 66726.4658962244. The cubic root of 4452421251 is about 1645.1244198413.

Adding to 4452421251 its reverse (1521242544), we get a palindrome (5973663795).

The spelling of 4452421251 in words is "four billion, four hundred fifty-two million, four hundred twenty-one thousand, two hundred fifty-one".