225125489 has 2 divisors, whose sum is σ = 225125490. Its totient is φ = 225125488.

The previous prime is 225125477. The next prime is 225125491. The reversal of 225125489 is 984521522.

225125489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220017889 + 5107600 = 14833^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 225125489 - 2⁴ = 225125473 is a prime.

Together with 225125491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225125189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112562744 + 112562745.

It is an arithmetic number, because the mean of its divisors is an integer number (112562745).

Almost surely, 2^225125489 is an apocalyptic number.

It is an amenable number.

225125489 is a deficient number, since it is larger than the sum of its proper divisors (1).

225125489 is an equidigital number, since it uses as much as digits as its factorization.

225125489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 225125489 is about 15004.1823835889. The cubic root of 225125489 is about 608.3332525343. Note that the first 3 decimals are identical.

The spelling of 225125489 in words is "two hundred twenty-five million, one hundred twenty-five thousand, four hundred eighty-nine".