225321623053 has 2 divisors, whose sum is σ = 225321623054. Its totient is φ = 225321623052.

The previous prime is 225321622987. The next prime is 225321623071. The reversal of 225321623053 is 350326123522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179909160649 + 45412462404 = 424157^2 + 213102^2 .

It is a cyclic number.

It is not a de Polignac number, because 225321623053 - 2³³ = 216731688461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225328623053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112660811526 + 112660811527.

It is an arithmetic number, because the mean of its divisors is an integer number (112660811527).

Almost surely, 2^225321623053 is an apocalyptic number.

It is an amenable number.

225321623053 is a deficient number, since it is larger than the sum of its proper divisors (1).

225321623053 is an equidigital number, since it uses as much as digits as its factorization.

225321623053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 225321623053 its reverse (350326123522), we get a palindrome (575647746575).

The spelling of 225321623053 in words is "two hundred twenty-five billion, three hundred twenty-one million, six hundred twenty-three thousand, fifty-three".