48320009 has 2 divisors, whose sum is σ = 48320010. Its totient is φ = 48320008.

The previous prime is 48319949. The next prime is 48320011. The reversal of 48320009 is 90002384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40921609 + 7398400 = 6397^2 + 2720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48320009 is a prime.

Together with 48320011, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48320009.

It is not a weakly prime, because it can be changed into another prime (48320029) 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, 24160004 + 24160005.

It is an arithmetic number, because the mean of its divisors is an integer number (24160005).

Almost surely, 2^48320009 is an apocalyptic number.

It is an amenable number.

48320009 is a deficient number, since it is larger than the sum of its proper divisors (1).

48320009 is an equidigital number, since it uses as much as digits as its factorization.

48320009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 48320009 is about 6951.2595261578. The cubic root of 48320009 is about 364.2299622630.

The spelling of 48320009 in words is "forty-eight million, three hundred twenty thousand, nine".