29090291 has 2 divisors, whose sum is σ = 29090292. Its totient is φ = 29090290.

The previous prime is 29090287. The next prime is 29090293. The reversal of 29090291 is 19209092.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29090291 - 2² = 29090287 is a prime.

Together with 29090293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29090293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14545145 + 14545146.

It is an arithmetic number, because the mean of its divisors is an integer number (14545146).

Almost surely, 2^29090291 is an apocalyptic number.

29090291 is a deficient number, since it is larger than the sum of its proper divisors (1).

29090291 is an equidigital number, since it uses as much as digits as its factorization.

29090291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 29090291 is about 5393.5416008408. The cubic root of 29090291 is about 307.5502057403.

The spelling of 29090291 in words is "twenty-nine million, ninety thousand, two hundred ninety-one".