29471971 has 2 divisors, whose sum is σ = 29471972. Its totient is φ = 29471970.

The previous prime is 29471951. The next prime is 29472011. The reversal of 29471971 is 17917492.

It is an a-pointer prime, because the next prime (29472011) can be obtained adding 29471971 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29471971 - 2⁷ = 29471843 is a prime.

It is not a weakly prime, because it can be changed into another prime (29471941) 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, 14735985 + 14735986.

It is an arithmetic number, because the mean of its divisors is an integer number (14735986).

Almost surely, 2^29471971 is an apocalyptic number.

29471971 is a deficient number, since it is larger than the sum of its proper divisors (1).

29471971 is an equidigital number, since it uses as much as digits as its factorization.

29471971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 29471971 is about 5428.8093538086. The cubic root of 29471971 is about 308.8894393300.

The spelling of 29471971 in words is "twenty-nine million, four hundred seventy-one thousand, nine hundred seventy-one".