1942273 has 2 divisors, whose sum is σ = 1942274. Its totient is φ = 1942272.

The previous prime is 1942207. The next prime is 1942307. The reversal of 1942273 is 3722491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 29584 = 1383^2 + 172^2 .

It is an emirp because it is prime and its reverse (3722491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942273 is a prime.

1942273 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1942873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971136 + 971137.

It is an arithmetic number, because the mean of its divisors is an integer number (971137).

2^1942273 is an apocalyptic number.

It is an amenable number.

1942273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942273 is an equidigital number, since it uses as much as digits as its factorization.

1942273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 1942273 is about 1393.6545483010. The cubic root of 1942273 is about 124.7680605656.

The spelling of 1942273 in words is "one million, nine hundred forty-two thousand, two hundred seventy-three".