225450539 has 2 divisors, whose sum is σ = 225450540. Its totient is φ = 225450538.

The previous prime is 225450529. The next prime is 225450581. The reversal of 225450539 is 935054522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225450539 - 2⁸ = 225450283 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225450499 and 225450508.

It is not a weakly prime, because it can be changed into another prime (225450529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112725269 + 112725270.

It is an arithmetic number, because the mean of its divisors is an integer number (112725270).

Almost surely, 2^225450539 is an apocalyptic number.

225450539 is a deficient number, since it is larger than the sum of its proper divisors (1).

225450539 is an equidigital number, since it uses as much as digits as its factorization.

225450539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 225450539 is about 15015.0104562068. The cubic root of 225450539 is about 608.6258946985.

The spelling of 225450539 in words is "two hundred twenty-five million, four hundred fifty thousand, five hundred thirty-nine".