799623281 has 2 divisors, whose sum is σ = 799623282. Its totient is φ = 799623280.

The previous prime is 799623257. The next prime is 799623301. The reversal of 799623281 is 182326997.

It is a happy number.

799623281 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., 728136256 + 71487025 = 26984^2 + 8455^2 .

It is an emirp because it is prime and its reverse (182326997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799623281 - 2⁶ = 799623217 is a prime.

It is a super-2 number, since 2×799623281² = 1278794783034409922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (799623241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399811640 + 399811641.

It is an arithmetic number, because the mean of its divisors is an integer number (399811641).

Almost surely, 2^799623281 is an apocalyptic number.

It is an amenable number.

799623281 is a deficient number, since it is larger than the sum of its proper divisors (1).

799623281 is an equidigital number, since it uses as much as digits as its factorization.

799623281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 799623281 is about 28277.6109493005. The cubic root of 799623281 is about 928.1720292857.

The spelling of 799623281 in words is "seven hundred ninety-nine million, six hundred twenty-three thousand, two hundred eighty-one".