34270421 has 2 divisors, whose sum is σ = 34270422. Its totient is φ = 34270420.

The previous prime is 34270403. The next prime is 34270459. The reversal of 34270421 is 12407243.

34270421 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., 31080625 + 3189796 = 5575^2 + 1786^2 .

It is an emirp because it is prime and its reverse (12407243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34270421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34270321) 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, 17135210 + 17135211.

It is an arithmetic number, because the mean of its divisors is an integer number (17135211).

Almost surely, 2^34270421 is an apocalyptic number.

It is an amenable number.

34270421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34270421 is an equidigital number, since it uses as much as digits as its factorization.

34270421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 34270421 is about 5854.0943791504. The cubic root of 34270421 is about 324.8177945158.

Adding to 34270421 its reverse (12407243), we get a palindrome (46677664).

The spelling of 34270421 in words is "thirty-four million, two hundred seventy thousand, four hundred twenty-one".