225547873 has 2 divisors, whose sum is σ = 225547874. Its totient is φ = 225547872.

The previous prime is 225547871. The next prime is 225547919. The reversal of 225547873 is 378745522.

225547873 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 can be written as a sum of positive squares in only one way, i.e., 113039424 + 112508449 = 10632^2 + 10607^2 .

It is a cyclic number.

It is not a de Polignac number, because 225547873 - 2¹ = 225547871 is a prime.

Together with 225547871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225547871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112773936 + 112773937.

It is an arithmetic number, because the mean of its divisors is an integer number (112773937).

Almost surely, 2^225547873 is an apocalyptic number.

It is an amenable number.

225547873 is a deficient number, since it is larger than the sum of its proper divisors (1).

225547873 is an equidigital number, since it uses as much as digits as its factorization.

225547873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 225547873 is about 15018.2513296322. The cubic root of 225547873 is about 608.7134696641.

The spelling of 225547873 in words is "two hundred twenty-five million, five hundred forty-seven thousand, eight hundred seventy-three".