2284561 has 4 divisors (see below), whose sum is σ = 2340324. Its totient is φ = 2228800.

The previous prime is 2284549. The next prime is 2284573. The reversal of 2284561 is 1654822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2284549) and next prime (2284573).

It can be written as a sum of positive squares in 2 ways, for example, as 1345600 + 938961 = 1160^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2284561 - 2¹¹ = 2282513 is a prime.

It is a Duffinian number.

2284561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2284501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27820 + ... + 27901.

It is an arithmetic number, because the mean of its divisors is an integer number (585081).

2^2284561 is an apocalyptic number.

It is an amenable number.

2284561 is a deficient number, since it is larger than the sum of its proper divisors (55763).

2284561 is an equidigital number, since it uses as much as digits as its factorization.

2284561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55762.

The product of its digits is 3840, while the sum is 28.

The square root of 2284561 is about 1511.4764305142. The cubic root of 2284561 is about 131.7045926815.

The spelling of 2284561 in words is "two million, two hundred eighty-four thousand, five hundred sixty-one".