5244403521 has 32 divisors (see below), whose sum is σ = 8193024000. Its totient is φ = 2921339520.

The previous prime is 5244403501. The next prime is 5244403531. The reversal of 5244403521 is 1253044425.

It is not a de Polignac number, because 5244403521 - 2¹⁵ = 5244370753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5244403501) 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 31 ways as a sum of consecutive naturals, for example, 2064270 + ... + 2066808.

It is an arithmetic number, because the mean of its divisors is an integer number (256032000).

Almost surely, 2^5244403521 is an apocalyptic number.

It is an amenable number.

5244403521 is a deficient number, since it is larger than the sum of its proper divisors (2948620479).

5244403521 is a wasteful number, since it uses less digits than its factorization.

5244403521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 5244403521 is about 72418.2540593185. The cubic root of 5244403521 is about 1737.3955311203.

Adding to 5244403521 its reverse (1253044425), we get a palindrome (6497447946).

The spelling of 5244403521 in words is "five billion, two hundred forty-four million, four hundred three thousand, five hundred twenty-one".