2042273 has 2 divisors, whose sum is σ = 2042274. Its totient is φ = 2042272.

The previous prime is 2042263. The next prime is 2042281. The reversal of 2042273 is 3722402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 214369 = 1352^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042273 - 2⁸ = 2042017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042203) 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, 1021136 + 1021137.

It is an arithmetic number, because the mean of its divisors is an integer number (1021137).

2^2042273 is an apocalyptic number.

It is an amenable number.

2042273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042273 is an equidigital number, since it uses as much as digits as its factorization.

2042273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2042273 is about 1429.0811733418. The cubic root of 2042273 is about 126.8736006543.

Adding to 2042273 its reverse (3722402), we get a palindrome (5764675).

The spelling of 2042273 in words is "two million, forty-two thousand, two hundred seventy-three".