34523689 has 2 divisors, whose sum is σ = 34523690. Its totient is φ = 34523688.

The previous prime is 34523669. The next prime is 34523737. The reversal of 34523689 is 98632543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 15093225 = 4408^2 + 3885^2 .

It is an emirp because it is prime and its reverse (98632543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34523689 - 2¹⁵ = 34490921 is a prime.

It is not a weakly prime, because it can be changed into another prime (34523669) 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, 17261844 + 17261845.

It is an arithmetic number, because the mean of its divisors is an integer number (17261845).

Almost surely, 2^34523689 is an apocalyptic number.

It is an amenable number.

34523689 is a deficient number, since it is larger than the sum of its proper divisors (1).

34523689 is an equidigital number, since it uses as much as digits as its factorization.

34523689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 34523689 is about 5875.6862577915. The cubic root of 34523689 is about 325.6159962168.

The spelling of 34523689 in words is "thirty-four million, five hundred twenty-three thousand, six hundred eighty-nine".