1801411 has 2 divisors, whose sum is σ = 1801412. Its totient is φ = 1801410.

The previous prime is 1801403. The next prime is 1801433. The reversal of 1801411 is 1141081.

It is a weak prime.

It is an emirp because it is prime and its reverse (1141081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1801411 - 2³ = 1801403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1831411) 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, 900705 + 900706.

It is an arithmetic number, because the mean of its divisors is an integer number (900706).

2^1801411 is an apocalyptic number.

1801411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1801411 is an equidigital number, since it uses as much as digits as its factorization.

1801411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1801411 is about 1342.1665321412. The cubic root of 1801411 is about 121.6758167468.

Adding to 1801411 its reverse (1141081), we get a palindrome (2942492).

The spelling of 1801411 in words is "one million, eight hundred one thousand, four hundred eleven".