47005471 has 2 divisors, whose sum is σ = 47005472. Its totient is φ = 47005470.

The previous prime is 47005463. The next prime is 47005481. The reversal of 47005471 is 17450074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47005471 - 2³ = 47005463 is a prime.

It is a super-3 number, since 3×47005471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47005481) 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, 23502735 + 23502736.

It is an arithmetic number, because the mean of its divisors is an integer number (23502736).

Almost surely, 2^47005471 is an apocalyptic number.

47005471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47005471 is an equidigital number, since it uses as much as digits as its factorization.

47005471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 47005471 is about 6856.0536024742. The cubic root of 47005471 is about 360.8966102277.

The spelling of 47005471 in words is "forty-seven million, five thousand, four hundred seventy-one".