49081 has 2 divisors, whose sum is σ = 49082. Its totient is φ = 49080.

The previous prime is 49069. The next prime is 49103. The reversal of 49081 is 18094.

It is an a-pointer prime, because the next prime (49103) can be obtained adding 49081 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 7056 = 205^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 49081 - 2⁷ = 48953 is a prime.

It is a super-2 number, since 2×49081² = 4817889122, which contains 22 as substring.

It is a Chen prime.

49081 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24540 + 24541.

It is an arithmetic number, because the mean of its divisors is an integer number (24541).

2⁴⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

49081 is a deficient number, since it is larger than the sum of its proper divisors (1).

49081 is an equidigital number, since it uses as much as digits as its factorization.

49081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 49081 is about 221.5423210134. The cubic root of 49081 is about 36.6132095212.

The spelling of 49081 in words is "forty-nine thousand, eighty-one".