84505433 has 2 divisors, whose sum is σ = 84505434. Its totient is φ = 84505432.

The previous prime is 84505429. The next prime is 84505439. The reversal of 84505433 is 33450548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77387209 + 7118224 = 8797^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 84505433 - 2² = 84505429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84505433.

It is not a weakly prime, because it can be changed into another prime (84505439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42252716 + 42252717.

It is an arithmetic number, because the mean of its divisors is an integer number (42252717).

Almost surely, 2^84505433 is an apocalyptic number.

It is an amenable number.

84505433 is a deficient number, since it is larger than the sum of its proper divisors (1).

84505433 is an equidigital number, since it uses as much as digits as its factorization.

84505433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 84505433 is about 9192.6836669169. The cubic root of 84505433 is about 438.8285523161.

The spelling of 84505433 in words is "eighty-four million, five hundred five thousand, four hundred thirty-three".