1002805273 has 2 divisors, whose sum is σ = 1002805274. Its totient is φ = 1002805272.

The previous prime is 1002805261. The next prime is 1002805277. The reversal of 1002805273 is 3725082001.

1002805273 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., 672001929 + 330803344 = 25923^2 + 18188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002805273 - 2¹⁷ = 1002674201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002805277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501402636 + 501402637.

It is an arithmetic number, because the mean of its divisors is an integer number (501402637).

Almost surely, 2^1002805273 is an apocalyptic number.

It is an amenable number.

1002805273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002805273 is an equidigital number, since it uses as much as digits as its factorization.

1002805273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1002805273 is about 31667.1007987785. The cubic root of 1002805273 is about 1000.9342179650.

Adding to 1002805273 its reverse (3725082001), we get a palindrome (4727887274).

The spelling of 1002805273 in words is "one billion, two million, eight hundred five thousand, two hundred seventy-three".