49704181 has 2 divisors, whose sum is σ = 49704182. Its totient is φ = 49704180.

The previous prime is 49704163. The next prime is 49704197. The reversal of 49704181 is 18140794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49702500 + 1681 = 7050^2 + 41^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49704181 is a prime.

It is a super-2 number, since 2×49704181² = 4941011217761522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49704101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24852090 + 24852091.

It is an arithmetic number, because the mean of its divisors is an integer number (24852091).

Almost surely, 2^49704181 is an apocalyptic number.

It is an amenable number.

49704181 is a deficient number, since it is larger than the sum of its proper divisors (1).

49704181 is an equidigital number, since it uses as much as digits as its factorization.

49704181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 49704181 is about 7050.1192188501. The cubic root of 49704181 is about 367.6751746356.

The spelling of 49704181 in words is "forty-nine million, seven hundred four thousand, one hundred eighty-one".