2281049 has 4 divisors (see below), whose sum is σ = 2285364. Its totient is φ = 2276736.

The previous prime is 2281039. The next prime is 2281057. The reversal of 2281049 is 9401822.

2281049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126025 + 2155024 = 355^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281049 - 2⁴ = 2281033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281039) 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 in 3 ways as a sum of consecutive naturals, for example, 1232 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (571341).

2^2281049 is an apocalyptic number.

It is an amenable number.

2281049 is a deficient number, since it is larger than the sum of its proper divisors (4315).

2281049 is an equidigital number, since it uses as much as digits as its factorization.

2281049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2281049 is about 1510.3142057201. The cubic root of 2281049 is about 131.6370693145.

The spelling of 2281049 in words is "two million, two hundred eighty-one thousand, forty-nine".