424385771 has 2 divisors, whose sum is σ = 424385772. Its totient is φ = 424385770.

The previous prime is 424385713. The next prime is 424385779. The reversal of 424385771 is 177583424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424385771 is a prime.

It is not a weakly prime, because it can be changed into another prime (424385779) 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, 212192885 + 212192886.

It is an arithmetic number, because the mean of its divisors is an integer number (212192886).

Almost surely, 2^424385771 is an apocalyptic number.

424385771 is a deficient number, since it is larger than the sum of its proper divisors (1).

424385771 is an equidigital number, since it uses as much as digits as its factorization.

424385771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 424385771 is about 20600.6255002124. The cubic root of 424385771 is about 751.4849223634.

The spelling of 424385771 in words is "four hundred twenty-four million, three hundred eighty-five thousand, seven hundred seventy-one".