2254561 has 4 divisors (see below), whose sum is σ = 2260224. Its totient is φ = 2248900.

The previous prime is 2254541. The next prime is 2254579. The reversal of 2254561 is 1654522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2254561 - 2¹¹ = 2252513 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 5⁷ + 4⁵ + 5⁷ + 6 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2254501) 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, 2185 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (565056).

2^2254561 is an apocalyptic number.

2254561 is the 672-nd centered decagonal number.

It is an amenable number.

2254561 is a deficient number, since it is larger than the sum of its proper divisors (5663).

2254561 is an equidigital number, since it uses as much as digits as its factorization.

2254561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662.

The product of its digits is 2400, while the sum is 25.

The square root of 2254561 is about 1501.5195636421. The cubic root of 2254561 is about 131.1255521827.

The spelling of 2254561 in words is "two million, two hundred fifty-four thousand, five hundred sixty-one".