225603237593 has 2 divisors, whose sum is σ = 225603237594. Its totient is φ = 225603237592.

The previous prime is 225603237547. The next prime is 225603237659. The reversal of 225603237593 is 395732306522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137460753049 + 88142484544 = 370757^2 + 296888^2 .

It is a cyclic number.

It is not a de Polignac number, because 225603237593 - 2¹⁰ = 225603236569 is a prime.

It is not a weakly prime, because it can be changed into another prime (225603237793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112801618796 + 112801618797.

It is an arithmetic number, because the mean of its divisors is an integer number (112801618797).

Almost surely, 2^225603237593 is an apocalyptic number.

It is an amenable number.

225603237593 is a deficient number, since it is larger than the sum of its proper divisors (1).

225603237593 is an equidigital number, since it uses as much as digits as its factorization.

225603237593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 47.

The spelling of 225603237593 in words is "two hundred twenty-five billion, six hundred three million, two hundred thirty-seven thousand, five hundred ninety-three".