246427009 has 2 divisors, whose sum is σ = 246427010. Its totient is φ = 246427008.

The previous prime is 246426997. The next prime is 246427033. The reversal of 246427009 is 900724642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221176384 + 25250625 = 14872^2 + 5025^2 .

It is a cyclic number.

It is not a de Polignac number, because 246427009 - 2⁷ = 246426881 is a prime.

It is not a weakly prime, because it can be changed into another prime (246427039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123213504 + 123213505.

It is an arithmetic number, because the mean of its divisors is an integer number (123213505).

Almost surely, 2^246427009 is an apocalyptic number.

It is an amenable number.

246427009 is a deficient number, since it is larger than the sum of its proper divisors (1).

246427009 is an equidigital number, since it uses as much as digits as its factorization.

246427009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 246427009 is about 15697.9937890165. The cubic root of 246427009 is about 626.9449886321.

The spelling of 246427009 in words is "two hundred forty-six million, four hundred twenty-seven thousand, nine".