49117 has 2 divisors, whose sum is σ = 49118. Its totient is φ = 49116.

The previous prime is 49109. The next prime is 49121. The reversal of 49117 is 71194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47961 + 1156 = 219^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 49117 - 2³ = 49109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24558 + 24559.

It is an arithmetic number, because the mean of its divisors is an integer number (24559).

2⁴⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

49117 is a deficient number, since it is larger than the sum of its proper divisors (1).

49117 is an equidigital number, since it uses as much as digits as its factorization.

49117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 49117 is about 221.6235547048. The cubic root of 49117 is about 36.6221590360.

The spelling of 49117 in words is "forty-nine thousand, one hundred seventeen".