424140317 has 2 divisors, whose sum is σ = 424140318. Its totient is φ = 424140316.

The previous prime is 424140313. The next prime is 424140323. The reversal of 424140317 is 713041424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420496036 + 3644281 = 20506^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 424140317 - 2² = 424140313 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 (424140313) 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, 212070158 + 212070159.

It is an arithmetic number, because the mean of its divisors is an integer number (212070159).

Almost surely, 2^424140317 is an apocalyptic number.

It is an amenable number.

424140317 is a deficient number, since it is larger than the sum of its proper divisors (1).

424140317 is an equidigital number, since it uses as much as digits as its factorization.

424140317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 424140317 is about 20594.6671980880. The cubic root of 424140317 is about 751.3400144632.

The spelling of 424140317 in words is "four hundred twenty-four million, one hundred forty thousand, three hundred seventeen".