427043 has 2 divisors, whose sum is σ = 427044. Its totient is φ = 427042.

The previous prime is 427039. The next prime is 427067. The reversal of 427043 is 340724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427043 - 2² = 427039 is a prime.

It is not a weakly prime, because it can be changed into another prime (427013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213521 + 213522.

It is an arithmetic number, because the mean of its divisors is an integer number (213522).

2⁴²⁷⁰⁴³ is an apocalyptic number.

427043 is a deficient number, since it is larger than the sum of its proper divisors (1).

427043 is an equidigital number, since it uses as much as digits as its factorization.

427043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 427043 is about 653.4852714484. The cubic root of 427043 is about 75.3050097577.

Adding to 427043 its reverse (340724), we get a palindrome (767767).

The spelling of 427043 in words is "four hundred twenty-seven thousand, forty-three", and thus it is an iban number.