802279243 has 2 divisors, whose sum is σ = 802279244. Its totient is φ = 802279242.

The previous prime is 802279211. The next prime is 802279273. The reversal of 802279243 is 342972208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802279243 - 2⁵ = 802279211 is a prime.

It is not a weakly prime, because it can be changed into another prime (802279273) 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, 401139621 + 401139622.

It is an arithmetic number, because the mean of its divisors is an integer number (401139622).

Almost surely, 2^802279243 is an apocalyptic number.

802279243 is a deficient number, since it is larger than the sum of its proper divisors (1).

802279243 is an equidigital number, since it uses as much as digits as its factorization.

802279243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 802279243 is about 28324.5342944946. The cubic root of 802279243 is about 929.1985398662.

The spelling of 802279243 in words is "eight hundred two million, two hundred seventy-nine thousand, two hundred forty-three".