47141957 has 2 divisors, whose sum is σ = 47141958. Its totient is φ = 47141956.

The previous prime is 47141951. The next prime is 47141971. The reversal of 47141957 is 75914174.

47141957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6866²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 1 = 6866^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 47141957 - 2⁸ = 47141701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47141957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47141951) 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, 23570978 + 23570979.

It is an arithmetic number, because the mean of its divisors is an integer number (23570979).

Almost surely, 2^47141957 is an apocalyptic number.

It is an amenable number.

47141957 is a deficient number, since it is larger than the sum of its proper divisors (1).

47141957 is an equidigital number, since it uses as much as digits as its factorization.

47141957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 47141957 is about 6866.0000728226. Note that the first 4 decimals coincide. The cubic root of 47141957 is about 361.2455748312.

The spelling of 47141957 in words is "forty-seven million, one hundred forty-one thousand, nine hundred fifty-seven".