47903 has 2 divisors, whose sum is σ = 47904. Its totient is φ = 47902.

The previous prime is 47881. The next prime is 47911. The reversal of 47903 is 30974.

47903 is nontrivially palindromic in base 5.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47933) 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, 23951 + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (23952).

2⁴⁷⁹⁰³ is an apocalyptic number.

47903 is a deficient number, since it is larger than the sum of its proper divisors (1).

47903 is an equidigital number, since it uses as much as digits as its factorization.

47903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 47903 is about 218.8675398500. The cubic root of 47903 is about 36.3179146952.

The spelling of 47903 in words is "forty-seven thousand, nine hundred three".