2281373 has 2 divisors, whose sum is σ = 2281374. Its totient is φ = 2281372.

The previous prime is 2281361. The next prime is 2281379. The reversal of 2281373 is 3731822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 357604 = 1387^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281373 - 2²⁰ = 1232797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140686 + 1140687.

It is an arithmetic number, because the mean of its divisors is an integer number (1140687).

2^2281373 is an apocalyptic number.

It is an amenable number.

2281373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281373 is an equidigital number, since it uses as much as digits as its factorization.

2281373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 2281373 is about 1510.4214643602. The cubic root of 2281373 is about 131.6433015920.

The spelling of 2281373 in words is "two million, two hundred eighty-one thousand, three hundred seventy-three".