2947471 has 2 divisors, whose sum is σ = 2947472. Its totient is φ = 2947470.

The previous prime is 2947447. The next prime is 2947487. The reversal of 2947471 is 1747492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2947471 - 2¹⁷ = 2816399 is a prime.

It is a super-3 number, since 3×2947471³ = 76819217158553304333, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473735 + 1473736.

It is an arithmetic number, because the mean of its divisors is an integer number (1473736).

2^2947471 is an apocalyptic number.

2947471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947471 is an equidigital number, since it uses as much as digits as its factorization.

2947471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 2947471 is about 1716.8200255123. The cubic root of 2947471 is about 143.3782186209.

The spelling of 2947471 in words is "two million, nine hundred forty-seven thousand, four hundred seventy-one".