1797193 has 2 divisors, whose sum is σ = 1797194. Its totient is φ = 1797192.

The previous prime is 1797181. The next prime is 1797203. The reversal of 1797193 is 3917971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630729 + 166464 = 1277^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1797193 - 2⁵ = 1797161 is a prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is not a weakly prime, because it can be changed into another prime (1797293) 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, 898596 + 898597.

It is an arithmetic number, because the mean of its divisors is an integer number (898597).

2^1797193 is an apocalyptic number.

It is an amenable number.

1797193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1797193 is an equidigital number, since it uses as much as digits as its factorization.

1797193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11907, while the sum is 37.

The square root of 1797193 is about 1340.5942712096. The cubic root of 1797193 is about 121.5807746398.

The spelling of 1797193 in words is "one million, seven hundred ninety-seven thousand, one hundred ninety-three".