1611343 has 2 divisors, whose sum is σ = 1611344. Its totient is φ = 1611342.

The previous prime is 1611331. The next prime is 1611353. The reversal of 1611343 is 3431161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1611343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1611343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1611353) 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, 805671 + 805672.

It is an arithmetic number, because the mean of its divisors is an integer number (805672).

2^1611343 is an apocalyptic number.

1611343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611343 is an equidigital number, since it uses as much as digits as its factorization.

1611343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 1611343 is about 1269.3868598658. The cubic root of 1611343 is about 117.2364517149.

The spelling of 1611343 in words is "one million, six hundred eleven thousand, three hundred forty-three".