34665289 has 2 divisors, whose sum is σ = 34665290. Its totient is φ = 34665288.

The previous prime is 34665287. The next prime is 34665307. The reversal of 34665289 is 98256643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 501264 = 5845^2 + 708^2 .

It is an emirp because it is prime and its reverse (98256643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34665289 - 2¹ = 34665287 is a prime.

It is a super-2 number, since 2×34665289² = 2403364522907042, which contains 22 as substring.

Together with 34665287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34665283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17332644 + 17332645.

It is an arithmetic number, because the mean of its divisors is an integer number (17332645).

Almost surely, 2^34665289 is an apocalyptic number.

It is an amenable number.

34665289 is a deficient number, since it is larger than the sum of its proper divisors (1).

34665289 is an equidigital number, since it uses as much as digits as its factorization.

34665289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 34665289 is about 5887.7235838650. The cubic root of 34665289 is about 326.0605637287.

The spelling of 34665289 in words is "thirty-four million, six hundred sixty-five thousand, two hundred eighty-nine".