47591 has 2 divisors, whose sum is σ = 47592. Its totient is φ = 47590.

The previous prime is 47581. The next prime is 47599. The reversal of 47591 is 19574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47591 - 2⁶ = 47527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47591.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47591.

It is not a weakly prime, because it can be changed into another prime (47599) 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, 23795 + 23796.

It is an arithmetic number, because the mean of its divisors is an integer number (23796).

2⁴⁷⁵⁹¹ is an apocalyptic number.

47591 is a deficient number, since it is larger than the sum of its proper divisors (1).

47591 is an equidigital number, since it uses as much as digits as its factorization.

47591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 47591 is about 218.1536156015. The cubic root of 47591 is about 36.2388947354.

The spelling of 47591 in words is "forty-seven thousand, five hundred ninety-one".