47749241 has 2 divisors, whose sum is σ = 47749242. Its totient is φ = 47749240.

The previous prime is 47749199. The next prime is 47749249. The reversal of 47749241 is 14294774.

47749241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 2805625 = 6704^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 47749241 - 2¹⁴ = 47732857 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47749195 and 47749204.

It is not a weakly prime, because it can be changed into another prime (47749249) 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, 23874620 + 23874621.

It is an arithmetic number, because the mean of its divisors is an integer number (23874621).

Almost surely, 2^47749241 is an apocalyptic number.

It is an amenable number.

47749241 is a deficient number, since it is larger than the sum of its proper divisors (1).

47749241 is an equidigital number, since it uses as much as digits as its factorization.

47749241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 47749241 is about 6910.0825610118. The cubic root of 47749241 is about 362.7901531072.

The spelling of 47749241 in words is "forty-seven million, seven hundred forty-nine thousand, two hundred forty-one".