805628933 has 2 divisors, whose sum is σ = 805628934. Its totient is φ = 805628932.

The previous prime is 805628921. The next prime is 805628947. The reversal of 805628933 is 339826508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 747366244 + 58262689 = 27338^2 + 7633^2 .

It is a cyclic number.

It is not a de Polignac number, because 805628933 - 2⁶ = 805628869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805628983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402814466 + 402814467.

It is an arithmetic number, because the mean of its divisors is an integer number (402814467).

Almost surely, 2^805628933 is an apocalyptic number.

It is an amenable number.

805628933 is a deficient number, since it is larger than the sum of its proper divisors (1).

805628933 is an equidigital number, since it uses as much as digits as its factorization.

805628933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 805628933 is about 28383.6032420128. The cubic root of 805628933 is about 930.4899461020.

The spelling of 805628933 in words is "eight hundred five million, six hundred twenty-eight thousand, nine hundred thirty-three".