427185383 has 2 divisors, whose sum is σ = 427185384. Its totient is φ = 427185382.

The previous prime is 427185373. The next prime is 427185389. The reversal of 427185383 is 383581724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427185383 - 2¹⁴ = 427168999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427185383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427185389) 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, 213592691 + 213592692.

It is an arithmetic number, because the mean of its divisors is an integer number (213592692).

Almost surely, 2^427185383 is an apocalyptic number.

427185383 is a deficient number, since it is larger than the sum of its proper divisors (1).

427185383 is an equidigital number, since it uses as much as digits as its factorization.

427185383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 427185383 is about 20668.4634890937. The cubic root of 427185383 is about 753.1337812788.

The spelling of 427185383 in words is "four hundred twenty-seven million, one hundred eighty-five thousand, three hundred eighty-three".