34565521 has 2 divisors, whose sum is σ = 34565522. Its totient is φ = 34565520.

The previous prime is 34565519. The next prime is 34565551. The reversal of 34565521 is 12556543.

34565521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 3651921 = 5560^2 + 1911^2 .

It is an emirp because it is prime and its reverse (12556543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34565521 - 2¹ = 34565519 is a prime.

Together with 34565519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34565551) 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, 17282760 + 17282761.

It is an arithmetic number, because the mean of its divisors is an integer number (17282761).

Almost surely, 2^34565521 is an apocalyptic number.

It is an amenable number.

34565521 is a deficient number, since it is larger than the sum of its proper divisors (1).

34565521 is an equidigital number, since it uses as much as digits as its factorization.

34565521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 34565521 is about 5879.2449345133. The cubic root of 34565521 is about 325.7474583221.

The spelling of 34565521 in words is "thirty-four million, five hundred sixty-five thousand, five hundred twenty-one".