426540383 has 2 divisors, whose sum is σ = 426540384. Its totient is φ = 426540382.

The previous prime is 426540347. The next prime is 426540391. The reversal of 426540383 is 383045624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426540383 - 2¹⁶ = 426474847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426540683) 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, 213270191 + 213270192.

It is an arithmetic number, because the mean of its divisors is an integer number (213270192).

Almost surely, 2^426540383 is an apocalyptic number.

426540383 is a deficient number, since it is larger than the sum of its proper divisors (1).

426540383 is an equidigital number, since it uses as much as digits as its factorization.

426540383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 426540383 is about 20652.8541126886. The cubic root of 426540383 is about 752.7545423507.

The spelling of 426540383 in words is "four hundred twenty-six million, five hundred forty thousand, three hundred eighty-three".