2378273 has 2 divisors, whose sum is σ = 2378274. Its totient is φ = 2378272.

The previous prime is 2378263. The next prime is 2378291. The reversal of 2378273 is 3728732.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 1014049 = 1168^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378273 - 2¹⁸ = 2116129 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2378263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189136 + 1189137.

It is an arithmetic number, because the mean of its divisors is an integer number (1189137).

2^2378273 is an apocalyptic number.

It is an amenable number.

2378273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378273 is an equidigital number, since it uses as much as digits as its factorization.

2378273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 2378273 is about 1542.1650365639. The cubic root of 2378273 is about 133.4813432760.

The spelling of 2378273 in words is "two million, three hundred seventy-eight thousand, two hundred seventy-three".