800740033 has 2 divisors, whose sum is σ = 800740034. Its totient is φ = 800740032.

The previous prime is 800740021. The next prime is 800740079. The reversal of 800740033 is 330047008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410953984 + 389786049 = 20272^2 + 19743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800740033 is a prime.

It is not a weakly prime, because it can be changed into another prime (800740433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400370016 + 400370017.

It is an arithmetic number, because the mean of its divisors is an integer number (400370017).

Almost surely, 2^800740033 is an apocalyptic number.

It is an amenable number.

800740033 is a deficient number, since it is larger than the sum of its proper divisors (1).

800740033 is an equidigital number, since it uses as much as digits as its factorization.

800740033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 800740033 is about 28297.3502823144. The cubic root of 800740033 is about 928.6039225811.

The spelling of 800740033 in words is "eight hundred million, seven hundred forty thousand, thirty-three".