225057720487 has 2 divisors, whose sum is σ = 225057720488. Its totient is φ = 225057720486.

The previous prime is 225057720457. The next prime is 225057720557. The reversal of 225057720487 is 784027750522.

225057720487 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 a de Polignac number, because none of the positive numbers 2^k-225057720487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225057720487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225057720457) 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, 112528860243 + 112528860244.

It is an arithmetic number, because the mean of its divisors is an integer number (112528860244).

Almost surely, 2^225057720487 is an apocalyptic number.

225057720487 is a deficient number, since it is larger than the sum of its proper divisors (1).

225057720487 is an equidigital number, since it uses as much as digits as its factorization.

225057720487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The spelling of 225057720487 in words is "two hundred twenty-five billion, fifty-seven million, seven hundred twenty thousand, four hundred eighty-seven".