2854561 has 2 divisors, whose sum is σ = 2854562. Its totient is φ = 2854560.

The previous prime is 2854549. The next prime is 2854567. The reversal of 2854561 is 1654582.

2854561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 112225 = 1656^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2854561 - 2⁷ = 2854433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2854567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427280 + 1427281.

It is an arithmetic number, because the mean of its divisors is an integer number (1427281).

2^2854561 is an apocalyptic number.

It is an amenable number.

2854561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2854561 is an equidigital number, since it uses as much as digits as its factorization.

2854561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 31.

The square root of 2854561 is about 1689.5446132020. The cubic root of 2854561 is about 141.8555861706.

The spelling of 2854561 in words is "two million, eight hundred fifty-four thousand, five hundred sixty-one".