225425297 has 2 divisors, whose sum is σ = 225425298. Its totient is φ = 225425296.

The previous prime is 225425293. The next prime is 225425303. The reversal of 225425297 is 792524522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212110096 + 13315201 = 14564^2 + 3649^2 .

It is a cyclic number.

It is not a de Polignac number, because 225425297 - 2² = 225425293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225425297.

It is not a weakly prime, because it can be changed into another prime (225425293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112712648 + 112712649.

It is an arithmetic number, because the mean of its divisors is an integer number (112712649).

Almost surely, 2^225425297 is an apocalyptic number.

It is an amenable number.

225425297 is a deficient number, since it is larger than the sum of its proper divisors (1).

225425297 is an equidigital number, since it uses as much as digits as its factorization.

225425297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 225425297 is about 15014.1698738225. The cubic root of 225425297 is about 608.6031794305.

The spelling of 225425297 in words is "two hundred twenty-five million, four hundred twenty-five thousand, two hundred ninety-seven".