225432019987 has 2 divisors, whose sum is σ = 225432019988. Its totient is φ = 225432019986.

The previous prime is 225432019963. The next prime is 225432020017. The reversal of 225432019987 is 789910234522.

It is a happy number.

225432019987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225432019987 - 2¹¹ = 225432017939 is a prime.

It is not a weakly prime, because it can be changed into another prime (225432019957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112716009993 + 112716009994.

It is an arithmetic number, because the mean of its divisors is an integer number (112716009994).

Almost surely, 2^225432019987 is an apocalyptic number.

225432019987 is a deficient number, since it is larger than the sum of its proper divisors (1).

225432019987 is an equidigital number, since it uses as much as digits as its factorization.

225432019987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 225432019987 in words is "two hundred twenty-five billion, four hundred thirty-two million, nineteen thousand, nine hundred eighty-seven".