29085517 has 2 divisors, whose sum is σ = 29085518. Its totient is φ = 29085516.

The previous prime is 29085493. The next prime is 29085577. The reversal of 29085517 is 71558092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27520516 + 1565001 = 5246^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 29085517 - 2⁷ = 29085389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29085577) 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, 14542758 + 14542759.

It is an arithmetic number, because the mean of its divisors is an integer number (14542759).

Almost surely, 2^29085517 is an apocalyptic number.

It is an amenable number.

29085517 is a deficient number, since it is larger than the sum of its proper divisors (1).

29085517 is an equidigital number, since it uses as much as digits as its factorization.

29085517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 29085517 is about 5393.0990163356. The cubic root of 29085517 is about 307.5333808255.

The spelling of 29085517 in words is "twenty-nine million, eighty-five thousand, five hundred seventeen".