225837263917 has 2 divisors, whose sum is σ = 225837263918. Its totient is φ = 225837263916.

The previous prime is 225837263893. The next prime is 225837263933. The reversal of 225837263917 is 719362738522.

225837263917 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., 121012841161 + 104824422756 = 347869^2 + 323766^2 .

It is a cyclic number.

It is not a de Polignac number, because 225837263917 - 2⁷ = 225837263789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225837263957) 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, 112918631958 + 112918631959.

It is an arithmetic number, because the mean of its divisors is an integer number (112918631959).

Almost surely, 2^225837263917 is an apocalyptic number.

It is an amenable number.

225837263917 is a deficient number, since it is larger than the sum of its proper divisors (1).

225837263917 is an equidigital number, since it uses as much as digits as its factorization.

225837263917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 225837263917 in words is "two hundred twenty-five billion, eight hundred thirty-seven million, two hundred sixty-three thousand, nine hundred seventeen".