225251297 has 2 divisors, whose sum is σ = 225251298. Its totient is φ = 225251296.

The previous prime is 225251291. The next prime is 225251353. The reversal of 225251297 is 792152522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120209296 + 105042001 = 10964^2 + 10249^2 .

It is a cyclic number.

It is not a de Polignac number, because 225251297 - 2⁴ = 225251281 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (225251291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112625648 + 112625649.

It is an arithmetic number, because the mean of its divisors is an integer number (112625649).

Almost surely, 2^225251297 is an apocalyptic number.

It is an amenable number.

225251297 is a deficient number, since it is larger than the sum of its proper divisors (1).

225251297 is an equidigital number, since it uses as much as digits as its factorization.

225251297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 225251297 is about 15008.3742290762. The cubic root of 225251297 is about 608.4465507340.

The spelling of 225251297 in words is "two hundred twenty-five million, two hundred fifty-one thousand, two hundred ninety-seven".