225243234313 has 2 divisors, whose sum is σ = 225243234314. Its totient is φ = 225243234312.

The previous prime is 225243234241. The next prime is 225243234347. The reversal of 225243234313 is 313432342522.

It is an a-pointer prime, because the next prime (225243234347) can be obtained adding 225243234313 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225156893049 + 86341264 = 474507^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 225243234313 - 2²⁵ = 225209679881 is a prime.

It is not a weakly prime, because it can be changed into another prime (225243234413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112621617156 + 112621617157.

It is an arithmetic number, because the mean of its divisors is an integer number (112621617157).

Almost surely, 2^225243234313 is an apocalyptic number.

It is an amenable number.

225243234313 is a deficient number, since it is larger than the sum of its proper divisors (1).

225243234313 is an equidigital number, since it uses as much as digits as its factorization.

225243234313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 34.

Adding to 225243234313 its reverse (313432342522), we get a palindrome (538675576835).

The spelling of 225243234313 in words is "two hundred twenty-five billion, two hundred forty-three million, two hundred thirty-four thousand, three hundred thirteen".