254530417 has 2 divisors, whose sum is σ = 254530418. Its totient is φ = 254530416.

The previous prime is 254530391. The next prime is 254530421. The reversal of 254530417 is 714035452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186896241 + 67634176 = 13671^2 + 8224^2 .

It is a cyclic number.

It is not a de Polignac number, because 254530417 - 2²³ = 246141809 is a prime.

It is not a weakly prime, because it can be changed into another prime (254530457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127265208 + 127265209.

It is an arithmetic number, because the mean of its divisors is an integer number (127265209).

Almost surely, 2^254530417 is an apocalyptic number.

It is an amenable number.

254530417 is a deficient number, since it is larger than the sum of its proper divisors (1).

254530417 is an equidigital number, since it uses as much as digits as its factorization.

254530417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 254530417 is about 15954.0094333682. The cubic root of 254530417 is about 633.7430792336.

Adding to 254530417 its reverse (714035452), we get a palindrome (968565869).

The spelling of 254530417 in words is "two hundred fifty-four million, five hundred thirty thousand, four hundred seventeen".