225054521242457 has 2 divisors, whose sum is σ = 225054521242458. Its totient is φ = 225054521242456.

The previous prime is 225054521242399. The next prime is 225054521242487. The reversal of 225054521242457 is 754242125450522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201848055240976 + 23206466001481 = 14207324^2 + 4817309^2 .

It is a cyclic number.

It is not a de Polignac number, because 225054521242457 - 2⁶ = 225054521242393 is a prime.

It is not a weakly prime, because it can be changed into another prime (225054521242487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112527260621228 + 112527260621229.

It is an arithmetic number, because the mean of its divisors is an integer number (112527260621229).

Almost surely, 2^{225054521242457} is an apocalyptic number.

It is an amenable number.

225054521242457 is a deficient number, since it is larger than the sum of its proper divisors (1).

225054521242457 is an equidigital number, since it uses as much as digits as its factorization.

225054521242457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960000, while the sum is 50.

Adding to 225054521242457 its reverse (754242125450522), we get a palindrome (979296646692979).

The spelling of 225054521242457 in words is "two hundred twenty-five trillion, fifty-four billion, five hundred twenty-one million, two hundred forty-two thousand, four hundred fifty-seven".