225241 has 2 divisors, whose sum is σ = 225242. Its totient is φ = 225240.

The previous prime is 225227. The next prime is 225257. The reversal of 225241 is 142522.

It is an a-pointer prime, because the next prime (225257) can be obtained adding 225241 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 48841 = 420^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 225241 - 2⁹ = 224729 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (225221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112620 + 112621.

It is an arithmetic number, because the mean of its divisors is an integer number (112621).

2²²⁵²⁴¹ is an apocalyptic number.

It is an amenable number.

225241 is a deficient number, since it is larger than the sum of its proper divisors (1).

225241 is an equidigital number, since it uses as much as digits as its factorization.

225241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 16.

The square root of 225241 is about 474.5956173418. The cubic root of 225241 is about 60.8437279208.

Adding to 225241 its reverse (142522), we get a palindrome (367763).

The spelling of 225241 in words is "two hundred twenty-five thousand, two hundred forty-one".