505343417 has 2 divisors, whose sum is σ = 505343418. Its totient is φ = 505343416.

The previous prime is 505343381. The next prime is 505343453. The reversal of 505343417 is 714343505.

It is a balanced prime because it is at equal distance from previous prime (505343381) and next prime (505343453).

It can be written as a sum of positive squares in only one way, i.e., 498896896 + 6446521 = 22336^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 505343417 - 2⁸ = 505343161 is a prime.

It is not a weakly prime, because it can be changed into another prime (505343467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252671708 + 252671709.

It is an arithmetic number, because the mean of its divisors is an integer number (252671709).

Almost surely, 2^505343417 is an apocalyptic number.

It is an amenable number.

505343417 is a deficient number, since it is larger than the sum of its proper divisors (1).

505343417 is an equidigital number, since it uses as much as digits as its factorization.

505343417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 505343417 is about 22479.8446836272. The cubic root of 505343417 is about 796.5178953616.

The spelling of 505343417 in words is "five hundred five million, three hundred forty-three thousand, four hundred seventeen".