29971241 has 2 divisors, whose sum is σ = 29971242. Its totient is φ = 29971240.

The previous prime is 29971229. The next prime is 29971243. The reversal of 29971241 is 14217992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 1123600 = 5371^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 29971241 - 2¹⁰ = 29970217 is a prime.

It is a Sophie Germain prime.

Together with 29971243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29971243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14985620 + 14985621.

It is an arithmetic number, because the mean of its divisors is an integer number (14985621).

Almost surely, 2^29971241 is an apocalyptic number.

It is an amenable number.

29971241 is a deficient number, since it is larger than the sum of its proper divisors (1).

29971241 is an equidigital number, since it uses as much as digits as its factorization.

29971241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 29971241 is about 5474.5996200636. The cubic root of 29971241 is about 310.6239289625.

The spelling of 29971241 in words is "twenty-nine million, nine hundred seventy-one thousand, two hundred forty-one".