385483009 has 2 divisors, whose sum is σ = 385483010. Its totient is φ = 385483008.

The previous prime is 385482991. The next prime is 385483019. The reversal of 385483009 is 900384583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315843984 + 69639025 = 17772^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 385483009 - 2¹¹ = 385480961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385483019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192741504 + 192741505.

It is an arithmetic number, because the mean of its divisors is an integer number (192741505).

Almost surely, 2^385483009 is an apocalyptic number.

It is an amenable number.

385483009 is a deficient number, since it is larger than the sum of its proper divisors (1).

385483009 is an equidigital number, since it uses as much as digits as its factorization.

385483009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 385483009 is about 19633.7212214088. The cubic root of 385483009 is about 727.7827317513.

The spelling of 385483009 in words is "three hundred eighty-five million, four hundred eighty-three thousand, nine".