1845373 has 2 divisors, whose sum is σ = 1845374. Its totient is φ = 1845372.

The previous prime is 1845353. The next prime is 1845379. The reversal of 1845373 is 3735481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1352569 + 492804 = 1163^2 + 702^2 .

It is an emirp because it is prime and its reverse (3735481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1845373 - 2¹³ = 1837181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1845379) 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, 922686 + 922687.

It is an arithmetic number, because the mean of its divisors is an integer number (922687).

2^1845373 is an apocalyptic number.

It is an amenable number.

1845373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1845373 is an equidigital number, since it uses as much as digits as its factorization.

1845373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 1845373 is about 1358.4450669792. The cubic root of 1845373 is about 122.6576728533.

The spelling of 1845373 in words is "one million, eight hundred forty-five thousand, three hundred seventy-three".