225320242571 has 2 divisors, whose sum is σ = 225320242572. Its totient is φ = 225320242570.

The previous prime is 225320242561. The next prime is 225320242661. The reversal of 225320242571 is 175242023522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225320242571 - 2⁶ = 225320242507 is a prime.

It is not a weakly prime, because it can be changed into another prime (225320242501) 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, 112660121285 + 112660121286.

It is an arithmetic number, because the mean of its divisors is an integer number (112660121286).

Almost surely, 2^225320242571 is an apocalyptic number.

225320242571 is a deficient number, since it is larger than the sum of its proper divisors (1).

225320242571 is an equidigital number, since it uses as much as digits as its factorization.

225320242571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 225320242571 in words is "two hundred twenty-five billion, three hundred twenty million, two hundred forty-two thousand, five hundred seventy-one".