48491 has 2 divisors, whose sum is σ = 48492. Its totient is φ = 48490.

The previous prime is 48487. The next prime is 48497. The reversal of 48491 is 19484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48491 - 2² = 48487 is a prime.

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 48491.

It is not a weakly prime, because it can be changed into another prime (48497) 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, 24245 + 24246.

It is an arithmetic number, because the mean of its divisors is an integer number (24246).

2⁴⁸⁴⁹¹ is an apocalyptic number.

48491 is a deficient number, since it is larger than the sum of its proper divisors (1).

48491 is an equidigital number, since it uses as much as digits as its factorization.

48491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 48491 is about 220.2067210600. The cubic root of 48491 is about 36.4659092465.

It can be divided in two parts, 484 and 91, that multiplied together give a palindrome (44044).

The spelling of 48491 in words is "forty-eight thousand, four hundred ninety-one".