254042317 has 2 divisors, whose sum is σ = 254042318. Its totient is φ = 254042316.

The previous prime is 254042311. The next prime is 254042351. The reversal of 254042317 is 713240452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215179561 + 38862756 = 14669^2 + 6234^2 .

It is a cyclic number.

It is not a de Polignac number, because 254042317 - 2²⁷ = 119824589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254042311) 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, 127021158 + 127021159.

It is an arithmetic number, because the mean of its divisors is an integer number (127021159).

Almost surely, 2^254042317 is an apocalyptic number.

It is an amenable number.

254042317 is a deficient number, since it is larger than the sum of its proper divisors (1).

254042317 is an equidigital number, since it uses as much as digits as its factorization.

254042317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 254042317 is about 15938.7049975837. The cubic root of 254042317 is about 633.3377210838.

Adding to 254042317 its reverse (713240452), we get a palindrome (967282769).

The spelling of 254042317 in words is "two hundred fifty-four million, forty-two thousand, three hundred seventeen".