47200289 has 2 divisors, whose sum is σ = 47200290. Its totient is φ = 47200288.

The previous prime is 47200261. The next prime is 47200291. The reversal of 47200289 is 98200274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33547264 + 13653025 = 5792^2 + 3695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47200289 is a prime.

Together with 47200291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47200189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23600144 + 23600145.

It is an arithmetic number, because the mean of its divisors is an integer number (23600145).

Almost surely, 2^47200289 is an apocalyptic number.

It is an amenable number.

47200289 is a deficient number, since it is larger than the sum of its proper divisors (1).

47200289 is an equidigital number, since it uses as much as digits as its factorization.

47200289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 47200289 is about 6870.2466476830. The cubic root of 47200289 is about 361.3945114531.

The spelling of 47200289 in words is "forty-seven million, two hundred thousand, two hundred eighty-nine".