225352709 has 2 divisors, whose sum is σ = 225352710. Its totient is φ = 225352708.

The previous prime is 225352703. The next prime is 225352739. The reversal of 225352709 is 907253522.

225352709 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., 171741025 + 53611684 = 13105^2 + 7322^2 .

It is a cyclic number.

It is not a de Polignac number, because 225352709 - 2⁴ = 225352693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225352703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112676354 + 112676355.

It is an arithmetic number, because the mean of its divisors is an integer number (112676355).

Almost surely, 2^225352709 is an apocalyptic number.

It is an amenable number.

225352709 is a deficient number, since it is larger than the sum of its proper divisors (1).

225352709 is an equidigital number, since it uses as much as digits as its factorization.

225352709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 225352709 is about 15011.7523627323. The cubic root of 225352709 is about 608.5378480609.

The spelling of 225352709 in words is "two hundred twenty-five million, three hundred fifty-two thousand, seven hundred nine".