47839061 has 2 divisors, whose sum is σ = 47839062. Its totient is φ = 47839060.

The previous prime is 47839049. The next prime is 47839063. The reversal of 47839061 is 16093874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 15132100 = 5719^2 + 3890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47839061 is a prime.

It is a Sophie Germain prime.

Together with 47839063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47839063) 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, 23919530 + 23919531.

It is an arithmetic number, because the mean of its divisors is an integer number (23919531).

Almost surely, 2^47839061 is an apocalyptic number.

It is an amenable number.

47839061 is a deficient number, since it is larger than the sum of its proper divisors (1).

47839061 is an equidigital number, since it uses as much as digits as its factorization.

47839061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 47839061 is about 6916.5787062680. The cubic root of 47839061 is about 363.0174893612.

The spelling of 47839061 in words is "forty-seven million, eight hundred thirty-nine thousand, sixty-one".