5105524421 has 2 divisors, whose sum is σ = 5105524422. Its totient is φ = 5105524420.

The previous prime is 5105524393. The next prime is 5105524423. The reversal of 5105524421 is 1244255015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2857437025 + 2248087396 = 53455^2 + 47414^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105524421 - 2¹⁸ = 5105262277 is a prime.

It is a super-2 number, since 2×5105524421² = 52132759226854770482, which contains 22 as substring.

Together with 5105524423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105524423) 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 as a sum of consecutive naturals, namely, 2552762210 + 2552762211.

It is an arithmetic number, because the mean of its divisors is an integer number (2552762211).

Almost surely, 2^5105524421 is an apocalyptic number.

It is an amenable number.

5105524421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105524421 is an equidigital number, since it uses as much as digits as its factorization.

5105524421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 5105524421 is about 71452.9525002291. The cubic root of 5105524421 is about 1721.9219120889.

Adding to 5105524421 its reverse (1244255015), we get a palindrome (6349779436).

The spelling of 5105524421 in words is "five billion, one hundred five million, five hundred twenty-four thousand, four hundred twenty-one".