29057491 has 2 divisors, whose sum is σ = 29057492. Its totient is φ = 29057490.

The previous prime is 29057489. The next prime is 29057513. The reversal of 29057491 is 19475092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29057491 - 2¹ = 29057489 is a prime.

Together with 29057489, it forms a pair of twin primes.

It is a Chen prime.

It is the 5391-st Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 29057491.

It is not a weakly prime, because it can be changed into another prime (29057401) by changing a digit.

It is a nontrivial repunit in base 5390.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14528745 + 14528746.

It is an arithmetic number, because the mean of its divisors is an integer number (14528746).

Almost surely, 2^29057491 is an apocalyptic number.

29057491 is a deficient number, since it is larger than the sum of its proper divisors (1).

29057491 is an equidigital number, since it uses as much as digits as its factorization.

29057491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 29057491 is about 5390.5000695668. The cubic root of 29057491 is about 307.4345721947.

The spelling of 29057491 in words is "twenty-nine million, fifty-seven thousand, four hundred ninety-one".