5244420251 has 8 divisors (see below), whose sum is σ = 5995186944. Its totient is φ = 4494044520.

The previous prime is 5244420227. The next prime is 5244420347. The reversal of 5244420251 is 1520244425.

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

It is not a de Polignac number, because 5244420251 - 2¹⁰ = 5244419227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5244420551) 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, 68405 + ... + 123158.

It is an arithmetic number, because the mean of its divisors is an integer number (749398368).

Almost surely, 2^5244420251 is an apocalyptic number.

5244420251 is a deficient number, since it is larger than the sum of its proper divisors (750766693).

5244420251 is a wasteful number, since it uses less digits than its factorization.

5244420251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195481.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 5244420251 is about 72418.3695687772. The cubic root of 5244420251 is about 1737.3973785879.

Adding to 5244420251 its reverse (1520244425), we get a palindrome (6764664676).

The spelling of 5244420251 in words is "five billion, two hundred forty-four million, four hundred twenty thousand, two hundred fifty-one".