225613770737 has 2 divisors, whose sum is σ = 225613770738. Its totient is φ = 225613770736.

The previous prime is 225613770673. The next prime is 225613770749. The reversal of 225613770737 is 737077316522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132903264481 + 92710506256 = 364559^2 + 304484^2 .

It is a cyclic number.

It is not a de Polignac number, because 225613770737 - 2⁶ = 225613770673 is a prime.

It is not a weakly prime, because it can be changed into another prime (225613770787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112806885368 + 112806885369.

It is an arithmetic number, because the mean of its divisors is an integer number (112806885369).

Almost surely, 2^225613770737 is an apocalyptic number.

It is an amenable number.

225613770737 is a deficient number, since it is larger than the sum of its proper divisors (1).

225613770737 is an equidigital number, since it uses as much as digits as its factorization.

225613770737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 225613770737 in words is "two hundred twenty-five billion, six hundred thirteen million, seven hundred seventy thousand, seven hundred thirty-seven".