49481 has 2 divisors, whose sum is σ = 49482. Its totient is φ = 49480.

The previous prime is 49477. The next prime is 49499. The reversal of 49481 is 18494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33856 + 15625 = 184^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 49481 - 2² = 49477 is a prime.

It is a super-2 number, since 2×49481² = 4896738722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49481.

It is not a weakly prime, because it can be changed into another prime (49411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24740 + 24741.

It is an arithmetic number, because the mean of its divisors is an integer number (24741).

2⁴⁹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

49481 is a deficient number, since it is larger than the sum of its proper divisors (1).

49481 is an equidigital number, since it uses as much as digits as its factorization.

49481 is an evil number, because the sum of its binary digits is even.

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

The square root of 49481 is about 222.4432511901. The cubic root of 49481 is about 36.7124038980.

Subtracting from 49481 its sum of digits (26), we obtain a triangular number (49455 = T₃₁₄).

It can be divided in two parts, 494 and 81, that added together give a palindrome (575).

The spelling of 49481 in words is "forty-nine thousand, four hundred eighty-one".