225773048621 has 2 divisors, whose sum is σ = 225773048622. Its totient is φ = 225773048620.

The previous prime is 225773048509. The next prime is 225773048629. The reversal of 225773048621 is 126840377522.

225773048621 is digitally balanced in base 2, 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., 197318082025 + 28454966596 = 444205^2 + 168686^2 .

It is a cyclic number.

It is not a de Polignac number, because 225773048621 - 2¹⁴ = 225773032237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225773048629) 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, 112886524310 + 112886524311.

It is an arithmetic number, because the mean of its divisors is an integer number (112886524311).

Almost surely, 2^225773048621 is an apocalyptic number.

It is an amenable number.

225773048621 is a deficient number, since it is larger than the sum of its proper divisors (1).

225773048621 is an equidigital number, since it uses as much as digits as its factorization.

225773048621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 225773048621 in words is "two hundred twenty-five billion, seven hundred seventy-three million, forty-eight thousand, six hundred twenty-one".