2381273 has 2 divisors, whose sum is σ = 2381274. Its totient is φ = 2381272.

The previous prime is 2381263. The next prime is 2381287. The reversal of 2381273 is 3721832.

2381273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2271049 + 110224 = 1507^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381273 - 2¹⁰ = 2380249 is a prime.

It is a super-2 number, since 2×2381273² = 11340922201058, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2381243) 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, 1190636 + 1190637.

It is an arithmetic number, because the mean of its divisors is an integer number (1190637).

2^2381273 is an apocalyptic number.

It is an amenable number.

2381273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381273 is an equidigital number, since it uses as much as digits as its factorization.

2381273 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 2381273 is about 1543.1373885691. The cubic root of 2381273 is about 133.5374450176.

The spelling of 2381273 in words is "two million, three hundred eighty-one thousand, two hundred seventy-three".