5242544401 has 2 divisors, whose sum is σ = 5242544402. Its totient is φ = 5242544400.

The previous prime is 5242544389. The next prime is 5242544423. The reversal of 5242544401 is 1044452425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4083210000 + 1159334401 = 63900^2 + 34049^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242544401 - 2⁵ = 5242544369 is a prime.

It is not a weakly prime, because it can be changed into another prime (5242544431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621272200 + 2621272201.

It is an arithmetic number, because the mean of its divisors is an integer number (2621272201).

Almost surely, 2^5242544401 is an apocalyptic number.

It is an amenable number.

5242544401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242544401 is an equidigital number, since it uses as much as digits as its factorization.

5242544401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 5242544401 is about 72405.4169313319. The cubic root of 5242544401 is about 1737.1902069419.

Adding to 5242544401 its reverse (1044452425), we get a palindrome (6286996826).

The spelling of 5242544401 in words is "five billion, two hundred forty-two million, five hundred forty-four thousand, four hundred one".