34270321 has 2 divisors, whose sum is σ = 34270322. Its totient is φ = 34270320.

The previous prime is 34270309. The next prime is 34270333. The reversal of 34270321 is 12307243.

It is a balanced prime because it is at equal distance from previous prime (34270309) and next prime (34270333).

It can be written as a sum of positive squares in only one way, i.e., 34093921 + 176400 = 5839^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 34270321 - 2⁵ = 34270289 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34270292 and 34270301.

It is not a weakly prime, because it can be changed into another prime (34270381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17135160 + 17135161.

It is an arithmetic number, because the mean of its divisors is an integer number (17135161).

Almost surely, 2^34270321 is an apocalyptic number.

It is an amenable number.

34270321 is a deficient number, since it is larger than the sum of its proper divisors (1).

34270321 is an equidigital number, since it uses as much as digits as its factorization.

34270321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 34270321 is about 5854.0858381134. The cubic root of 34270321 is about 324.8174785795.

Adding to 34270321 its reverse (12307243), we get a palindrome (46577564).

The spelling of 34270321 in words is "thirty-four million, two hundred seventy thousand, three hundred twenty-one".