802279273 has 2 divisors, whose sum is σ = 802279274. Its totient is φ = 802279272.

The previous prime is 802279243. The next prime is 802279277. The reversal of 802279273 is 372972208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589906944 + 212372329 = 24288^2 + 14573^2 .

It is a cyclic number.

It is not a de Polignac number, because 802279273 - 2²⁵ = 768724841 is a prime.

It is not a weakly prime, because it can be changed into another prime (802279277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401139636 + 401139637.

It is an arithmetic number, because the mean of its divisors is an integer number (401139637).

Almost surely, 2^802279273 is an apocalyptic number.

It is an amenable number.

802279273 is a deficient number, since it is larger than the sum of its proper divisors (1).

802279273 is an equidigital number, since it uses as much as digits as its factorization.

802279273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 802279273 is about 28324.5348240708. The cubic root of 802279273 is about 929.1985514482.

The spelling of 802279273 in words is "eight hundred two million, two hundred seventy-nine thousand, two hundred seventy-three".