1814561 has 16 divisors (see below), whose sum is σ = 2173824. Its totient is φ = 1482624.

The previous prime is 1814543. The next prime is 1814569. The reversal of 1814561 is 1654181.

It is a cyclic number.

It is not a de Polignac number, because 1814561 - 2¹⁴ = 1798177 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1814561.

It is not an unprimeable number, because it can be changed into a prime (1814569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24821 + ... + 24893.

It is an arithmetic number, because the mean of its divisors is an integer number (135864).

2^1814561 is an apocalyptic number.

It is an amenable number.

1814561 is a deficient number, since it is larger than the sum of its proper divisors (359263).

1814561 is an equidigital number, since it uses as much as digits as its factorization.

1814561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 960, while the sum is 26.

The square root of 1814561 is about 1347.0564204962. The cubic root of 1814561 is about 121.9711702907.

The spelling of 1814561 in words is "one million, eight hundred fourteen thousand, five hundred sixty-one".