34820287 has 2 divisors, whose sum is σ = 34820288. Its totient is φ = 34820286.

The previous prime is 34820263. The next prime is 34820297. The reversal of 34820287 is 78202843.

34820287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34820287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34820297) 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, 17410143 + 17410144.

It is an arithmetic number, because the mean of its divisors is an integer number (17410144).

Almost surely, 2^34820287 is an apocalyptic number.

34820287 is a deficient number, since it is larger than the sum of its proper divisors (1).

34820287 is an equidigital number, since it uses as much as digits as its factorization.

34820287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 34820287 is about 5900.8717152638. The cubic root of 34820287 is about 326.5458099129.

The spelling of 34820287 in words is "thirty-four million, eight hundred twenty thousand, two hundred eighty-seven".