5255336621 has 2 divisors, whose sum is σ = 5255336622. Its totient is φ = 5255336620.

The previous prime is 5255336561. The next prime is 5255336657. The reversal of 5255336621 is 1266335525.

5255336621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4772875396 + 482461225 = 69086^2 + 21965^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255336621 - 2⁶ = 5255336557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5255336321) 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 as a sum of consecutive naturals, namely, 2627668310 + 2627668311.

It is an arithmetic number, because the mean of its divisors is an integer number (2627668311).

Almost surely, 2^5255336621 is an apocalyptic number.

It is an amenable number.

5255336621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255336621 is an equidigital number, since it uses as much as digits as its factorization.

5255336621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 38.

The square root of 5255336621 is about 72493.7005608074. The cubic root of 5255336621 is about 1738.6020194243.

The spelling of 5255336621 in words is "five billion, two hundred fifty-five million, three hundred thirty-six thousand, six hundred twenty-one".