9255054821 has 2 divisors, whose sum is σ = 9255054822. Its totient is φ = 9255054820.

The previous prime is 9255054761. The next prime is 9255054827. The reversal of 9255054821 is 1284505529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9179556100 + 75498721 = 95810^2 + 8689^2 .

It is an emirp because it is prime and its reverse (1284505529) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9255054821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9255054827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4627527410 + 4627527411.

It is an arithmetic number, because the mean of its divisors is an integer number (4627527411).

Almost surely, 2^9255054821 is an apocalyptic number.

It is an amenable number.

9255054821 is a deficient number, since it is larger than the sum of its proper divisors (1).

9255054821 is an equidigital number, since it uses as much as digits as its factorization.

9255054821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 9255054821 is about 96203.1954822708. The cubic root of 9255054821 is about 2099.5505327558.

The spelling of 9255054821 in words is "nine billion, two hundred fifty-five million, fifty-four thousand, eight hundred twenty-one".