246055009 has 2 divisors, whose sum is σ = 246055010. Its totient is φ = 246055008.

The previous prime is 246055003. The next prime is 246055013. The reversal of 246055009 is 900550642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 105513984 = 11855^2 + 10272^2 .

It is a cyclic number.

It is not a de Polignac number, because 246055009 - 2³ = 246055001 is a prime.

It is not a weakly prime, because it can be changed into another prime (246055001) 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, 123027504 + 123027505.

It is an arithmetic number, because the mean of its divisors is an integer number (123027505).

Almost surely, 2^246055009 is an apocalyptic number.

It is an amenable number.

246055009 is a deficient number, since it is larger than the sum of its proper divisors (1).

246055009 is an equidigital number, since it uses as much as digits as its factorization.

246055009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 246055009 is about 15686.1406662059. The cubic root of 246055009 is about 626.6293563057.

The spelling of 246055009 in words is "two hundred forty-six million, fifty-five thousand, nine".