225301249 has 2 divisors, whose sum is σ = 225301250. Its totient is φ = 225301248.

The previous prime is 225301231. The next prime is 225301277. The reversal of 225301249 is 942103522.

225301249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (225301277) can be obtained adding 225301249 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219988224 + 5313025 = 14832^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 225301249 - 2⁹ = 225300737 is a prime.

It is not a weakly prime, because it can be changed into another prime (225301049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112650624 + 112650625.

It is an arithmetic number, because the mean of its divisors is an integer number (112650625).

Almost surely, 2^225301249 is an apocalyptic number.

It is an amenable number.

225301249 is a deficient number, since it is larger than the sum of its proper divisors (1).

225301249 is an equidigital number, since it uses as much as digits as its factorization.

225301249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 225301249 is about 15010.0382744349. The cubic root of 225301249 is about 608.4915240240.

The spelling of 225301249 in words is "two hundred twenty-five million, three hundred one thousand, two hundred forty-nine".