225261313633 has 2 divisors, whose sum is σ = 225261313634. Its totient is φ = 225261313632.

The previous prime is 225261313631. The next prime is 225261313741. The reversal of 225261313633 is 336313162522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224227819729 + 1033493904 = 473527^2 + 32148^2 .

It is a cyclic number.

It is not a de Polignac number, because 225261313633 - 2¹ = 225261313631 is a prime.

Together with 225261313631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 225261313592 and 225261313601.

It is not a weakly prime, because it can be changed into another prime (225261313631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112630656816 + 112630656817.

It is an arithmetic number, because the mean of its divisors is an integer number (112630656817).

Almost surely, 2^225261313633 is an apocalyptic number.

It is an amenable number.

225261313633 is a deficient number, since it is larger than the sum of its proper divisors (1).

225261313633 is an equidigital number, since it uses as much as digits as its factorization.

225261313633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The spelling of 225261313633 in words is "two hundred twenty-five billion, two hundred sixty-one million, three hundred thirteen thousand, six hundred thirty-three".