1361443 has 2 divisors, whose sum is σ = 1361444. Its totient is φ = 1361442.

The previous prime is 1361441. The next prime is 1361453. The reversal of 1361443 is 3441631.

It is a weak prime.

It is an emirp because it is prime and its reverse (3441631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1361443 - 2¹ = 1361441 is a prime.

Together with 1361441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1361441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680721 + 680722.

It is an arithmetic number, because the mean of its divisors is an integer number (680722).

2^1361443 is an apocalyptic number.

1361443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361443 is an equidigital number, since it uses as much as digits as its factorization.

1361443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 1361443 is about 1166.8088960922. The cubic root of 1361443 is about 110.8323362201.

The spelling of 1361443 in words is "one million, three hundred sixty-one thousand, four hundred forty-three".