225035961947 has 2 divisors, whose sum is σ = 225035961948. Its totient is φ = 225035961946.

The previous prime is 225035961937. The next prime is 225035962007. The reversal of 225035961947 is 749169530522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225035961947 - 2¹⁶ = 225035896411 is a prime.

It is not a weakly prime, because it can be changed into another prime (225035961937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112517980973 + 112517980974.

It is an arithmetic number, because the mean of its divisors is an integer number (112517980974).

Almost surely, 2^225035961947 is an apocalyptic number.

225035961947 is a deficient number, since it is larger than the sum of its proper divisors (1).

225035961947 is an equidigital number, since it uses as much as digits as its factorization.

225035961947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 225035961947 in words is "two hundred twenty-five billion, thirty-five million, nine hundred sixty-one thousand, nine hundred forty-seven".