47321471 has 2 divisors, whose sum is σ = 47321472. Its totient is φ = 47321470.

The previous prime is 47321467. The next prime is 47321473. The reversal of 47321471 is 17412374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47321471 - 2² = 47321467 is a prime.

It is a super-3 number, since 3×47321471³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 47321473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47321473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23660735 + 23660736.

It is an arithmetic number, because the mean of its divisors is an integer number (23660736).

Almost surely, 2^47321471 is an apocalyptic number.

47321471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47321471 is an equidigital number, since it uses as much as digits as its factorization.

47321471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 47321471 is about 6879.0603282716. The cubic root of 47321471 is about 361.7035285139.

The spelling of 47321471 in words is "forty-seven million, three hundred twenty-one thousand, four hundred seventy-one".