225065213291 has 2 divisors, whose sum is σ = 225065213292. Its totient is φ = 225065213290.

The previous prime is 225065213227. The next prime is 225065213297. The reversal of 225065213291 is 192312560522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225065213291 - 2⁶ = 225065213227 is a prime.

It is not a weakly prime, because it can be changed into another prime (225065213297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112532606645 + 112532606646.

It is an arithmetic number, because the mean of its divisors is an integer number (112532606646).

Almost surely, 2^225065213291 is an apocalyptic number.

225065213291 is a deficient number, since it is larger than the sum of its proper divisors (1).

225065213291 is an equidigital number, since it uses as much as digits as its factorization.

225065213291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 225065213291 in words is "two hundred twenty-five billion, sixty-five million, two hundred thirteen thousand, two hundred ninety-one".