426031543 has 32 divisors (see below), whose sum is σ = 542453760. Its totient is φ = 326177280.

The previous prime is 426031523. The next prime is 426031591. The reversal of 426031543 is 345130624.

It is a cyclic number.

It is not a de Polignac number, because 426031543 - 2⁵ = 426031511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426031513) 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 in 31 ways as a sum of consecutive naturals, for example, 194428 + ... + 196606.

It is an arithmetic number, because the mean of its divisors is an integer number (16951680).

Almost surely, 2^426031543 is an apocalyptic number.

426031543 is a deficient number, since it is larger than the sum of its proper divisors (116422217).

426031543 is a wasteful number, since it uses less digits than its factorization.

426031543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 426031543 is about 20640.5315580777. The cubic root of 426031543 is about 752.4550911931.

The spelling of 426031543 in words is "four hundred twenty-six million, thirty-one thousand, five hundred forty-three".