225306241 has 2 divisors, whose sum is σ = 225306242. Its totient is φ = 225306240.

The previous prime is 225306223. The next prime is 225306269. The reversal of 225306241 is 142603522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204375616 + 20930625 = 14296^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 225306241 - 2⁷ = 225306113 is a prime.

It is not a weakly prime, because it can be changed into another prime (225306041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112653120 + 112653121.

It is an arithmetic number, because the mean of its divisors is an integer number (112653121).

Almost surely, 2^225306241 is an apocalyptic number.

It is an amenable number.

225306241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225306241 is an equidigital number, since it uses as much as digits as its factorization.

225306241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 225306241 is about 15010.2045622303. The cubic root of 225306241 is about 608.4960181065.

Adding to 225306241 its reverse (142603522), we get a palindrome (367909763).

The spelling of 225306241 in words is "two hundred twenty-five million, three hundred six thousand, two hundred forty-one".