1797241 has 2 divisors, whose sum is σ = 1797242. Its totient is φ = 1797240.

The previous prime is 1797239. The next prime is 1797277. The reversal of 1797241 is 1427971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 41616 = 1325^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1797241 - 2¹ = 1797239 is a prime.

Together with 1797239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1797281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898620 + 898621.

It is an arithmetic number, because the mean of its divisors is an integer number (898621).

2^1797241 is an apocalyptic number.

It is an amenable number.

1797241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1797241 is an equidigital number, since it uses as much as digits as its factorization.

1797241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 31.

The square root of 1797241 is about 1340.6121735983. The cubic root of 1797241 is about 121.5818570361.

The spelling of 1797241 in words is "one million, seven hundred ninety-seven thousand, two hundred forty-one".