2281361 has 2 divisors, whose sum is σ = 2281362. Its totient is φ = 2281360.

The previous prime is 2281327. The next prime is 2281373. The reversal of 2281361 is 1631822.

2281361 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., 1690000 + 591361 = 1300^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281361 - 2⁶ = 2281297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281381) 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, 1140680 + 1140681.

It is an arithmetic number, because the mean of its divisors is an integer number (1140681).

2^2281361 is an apocalyptic number.

It is an amenable number.

2281361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281361 is an equidigital number, since it uses as much as digits as its factorization.

2281361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 2281361 is about 1510.4174919538. The cubic root of 2281361 is about 131.6430707774.

The spelling of 2281361 in words is "two million, two hundred eighty-one thousand, three hundred sixty-one".