29471213 has 2 divisors, whose sum is σ = 29471214. Its totient is φ = 29471212.

The previous prime is 29471171. The next prime is 29471231. The reversal of 29471213 is 31217492.

Together with next prime (29471231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26604964 + 2866249 = 5158^2 + 1693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29471213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29471243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14735606 + 14735607.

It is an arithmetic number, because the mean of its divisors is an integer number (14735607).

Almost surely, 2^29471213 is an apocalyptic number.

It is an amenable number.

29471213 is a deficient number, since it is larger than the sum of its proper divisors (1).

29471213 is an equidigital number, since it uses as much as digits as its factorization.

29471213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 29471213 is about 5428.7395406300. The cubic root of 29471213 is about 308.8867911619.

The spelling of 29471213 in words is "twenty-nine million, four hundred seventy-one thousand, two hundred thirteen".