1426541 has 2 divisors, whose sum is σ = 1426542. Its totient is φ = 1426540.

The previous prime is 1426519. The next prime is 1426543. The reversal of 1426541 is 1456241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729316 + 697225 = 854^2 + 835^2 .

It is an emirp because it is prime and its reverse (1456241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426541 is a prime.

It is a Sophie Germain prime.

Together with 1426543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713270 + 713271.

It is an arithmetic number, because the mean of its divisors is an integer number (713271).

2^1426541 is an apocalyptic number.

It is an amenable number.

1426541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426541 is an equidigital number, since it uses as much as digits as its factorization.

1426541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 1426541 is about 1194.3789180993. The cubic root of 1426541 is about 112.5714048748.

The spelling of 1426541 in words is "one million, four hundred twenty-six thousand, five hundred forty-one".