825120799 has 2 divisors, whose sum is σ = 825120800. Its totient is φ = 825120798.

The previous prime is 825120773. The next prime is 825120853. The reversal of 825120799 is 997021528.

825120799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825120799 - 2⁷ = 825120671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825120719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412560399 + 412560400.

It is an arithmetic number, because the mean of its divisors is an integer number (412560400).

Almost surely, 2^825120799 is an apocalyptic number.

825120799 is a deficient number, since it is larger than the sum of its proper divisors (1).

825120799 is an equidigital number, since it uses as much as digits as its factorization.

825120799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 825120799 is about 28724.9159963959. The cubic root of 825120799 is about 937.9345016193.

The spelling of 825120799 in words is "eight hundred twenty-five million, one hundred twenty thousand, seven hundred ninety-nine".