1426543 has 2 divisors, whose sum is σ = 1426544. Its totient is φ = 1426542.

The previous prime is 1426541. The next prime is 1426553. The reversal of 1426543 is 3456241.

It is a weak prime.

It is an emirp because it is prime and its reverse (3456241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1426543 - 2¹ = 1426541 is a prime.

Together with 1426541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713271 + 713272.

It is an arithmetic number, because the mean of its divisors is an integer number (713272).

2^1426543 is an apocalyptic number.

1426543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426543 is an equidigital number, since it uses as much as digits as its factorization.

1426543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 1426543 is about 1194.3797553542. The cubic root of 1426543 is about 112.5714574829.

The spelling of 1426543 in words is "one million, four hundred twenty-six thousand, five hundred forty-three".