225613662671 has 2 divisors, whose sum is σ = 225613662672. Its totient is φ = 225613662670.

The previous prime is 225613662647. The next prime is 225613662713. The reversal of 225613662671 is 176266316522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225613662671 - 2⁶ = 225613662607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225613662611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112806831335 + 112806831336.

It is an arithmetic number, because the mean of its divisors is an integer number (112806831336).

Almost surely, 2^225613662671 is an apocalyptic number.

225613662671 is a deficient number, since it is larger than the sum of its proper divisors (1).

225613662671 is an equidigital number, since it uses as much as digits as its factorization.

225613662671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The spelling of 225613662671 in words is "two hundred twenty-five billion, six hundred thirteen million, six hundred sixty-two thousand, six hundred seventy-one".