80450833 has 2 divisors, whose sum is σ = 80450834. Its totient is φ = 80450832.

The previous prime is 80450831. The next prime is 80450879. The reversal of 80450833 is 33805408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77035729 + 3415104 = 8777^2 + 1848^2 .

It is a cyclic number.

It is not a de Polignac number, because 80450833 - 2¹ = 80450831 is a prime.

Together with 80450831, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 80450795 and 80450804.

It is not a weakly prime, because it can be changed into another prime (80450831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40225416 + 40225417.

It is an arithmetic number, because the mean of its divisors is an integer number (40225417).

Almost surely, 2^80450833 is an apocalyptic number.

It is an amenable number.

80450833 is a deficient number, since it is larger than the sum of its proper divisors (1).

80450833 is an equidigital number, since it uses as much as digits as its factorization.

80450833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80450833 is about 8969.4388341746. The cubic root of 80450833 is about 431.6948308439.

The spelling of 80450833 in words is "eighty million, four hundred fifty thousand, eight hundred thirty-three".