225913481137 has 2 divisors, whose sum is σ = 225913481138. Its totient is φ = 225913481136.

The previous prime is 225913481107. The next prime is 225913481147. The reversal of 225913481137 is 731184319522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225021204496 + 892276641 = 474364^2 + 29871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225913481137 is a prime.

It is not a weakly prime, because it can be changed into another prime (225913481107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112956740568 + 112956740569.

It is an arithmetic number, because the mean of its divisors is an integer number (112956740569).

Almost surely, 2^225913481137 is an apocalyptic number.

It is an amenable number.

225913481137 is a deficient number, since it is larger than the sum of its proper divisors (1).

225913481137 is an equidigital number, since it uses as much as digits as its factorization.

225913481137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The spelling of 225913481137 in words is "two hundred twenty-five billion, nine hundred thirteen million, four hundred eighty-one thousand, one hundred thirty-seven".