29105317 has 2 divisors, whose sum is σ = 29105318. Its totient is φ = 29105316.

The previous prime is 29105303. The next prime is 29105333. The reversal of 29105317 is 71350192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29062881 + 42436 = 5391^2 + 206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29105317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29105387) 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, 14552658 + 14552659.

It is an arithmetic number, because the mean of its divisors is an integer number (14552659).

Almost surely, 2^29105317 is an apocalyptic number.

It is an amenable number.

29105317 is a deficient number, since it is larger than the sum of its proper divisors (1).

29105317 is an equidigital number, since it uses as much as digits as its factorization.

29105317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 29105317 is about 5394.9343832896. The cubic root of 29105317 is about 307.6031495667.

The spelling of 29105317 in words is "twenty-nine million, one hundred five thousand, three hundred seventeen".