225021670241 has 2 divisors, whose sum is σ = 225021670242. Its totient is φ = 225021670240.

The previous prime is 225021670189. The next prime is 225021670253. The reversal of 225021670241 is 142076120522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149243142400 + 75778527841 = 386320^2 + 275279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225021670241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225021670198 and 225021670207.

It is not a weakly prime, because it can be changed into another prime (225021610241) 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, 112510835120 + 112510835121.

It is an arithmetic number, because the mean of its divisors is an integer number (112510835121).

Almost surely, 2^225021670241 is an apocalyptic number.

It is an amenable number.

225021670241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225021670241 is an equidigital number, since it uses as much as digits as its factorization.

225021670241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 225021670241 its reverse (142076120522), we get a palindrome (367097790763).

The spelling of 225021670241 in words is "two hundred twenty-five billion, twenty-one million, six hundred seventy thousand, two hundred forty-one".