225025217 has 2 divisors, whose sum is σ = 225025218. Its totient is φ = 225025216.

The previous prime is 225025211. The next prime is 225025253. The reversal of 225025217 is 712520522.

225025217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223681936 + 1343281 = 14956^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 225025217 - 2¹⁰ = 225024193 is a prime.

It is not a weakly prime, because it can be changed into another prime (225025211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112512608 + 112512609.

It is an arithmetic number, because the mean of its divisors is an integer number (112512609).

Almost surely, 2^225025217 is an apocalyptic number.

It is an amenable number.

225025217 is a deficient number, since it is larger than the sum of its proper divisors (1).

225025217 is an equidigital number, since it uses as much as digits as its factorization.

225025217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 225025217 is about 15000.8405431162. The cubic root of 225025217 is about 608.2429209141.

Adding to 225025217 its reverse (712520522), we get a palindrome (937545739).

The spelling of 225025217 in words is "two hundred twenty-five million, twenty-five thousand, two hundred seventeen".