225161014644617 has 2 divisors, whose sum is σ = 225161014644618. Its totient is φ = 225161014644616.

The previous prime is 225161014644611. The next prime is 225161014644647. The reversal of 225161014644617 is 716446410161522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171215236085776 + 53945778558841 = 13084924^2 + 7344779^2 .

It is a cyclic number.

It is not a de Polignac number, because 225161014644617 - 2²⁶ = 225160947535753 is a prime.

It is a super-2 number, since 2×225161014644617² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225161014644611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112580507322308 + 112580507322309.

It is an arithmetic number, because the mean of its divisors is an integer number (112580507322309).

Almost surely, 2^{225161014644617} is an apocalyptic number.

It is an amenable number.

225161014644617 is a deficient number, since it is larger than the sum of its proper divisors (1).

225161014644617 is an equidigital number, since it uses as much as digits as its factorization.

225161014644617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 225161014644617 in words is "two hundred twenty-five trillion, one hundred sixty-one billion, fourteen million, six hundred forty-four thousand, six hundred seventeen".