34164421 has 2 divisors, whose sum is σ = 34164422. Its totient is φ = 34164420.

The previous prime is 34164391. The next prime is 34164433. The reversal of 34164421 is 12446143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 408321 = 5810^2 + 639^2 .

It is an emirp because it is prime and its reverse (12446143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34164421 - 2¹⁵ = 34131653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34164461) 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, 17082210 + 17082211.

It is an arithmetic number, because the mean of its divisors is an integer number (17082211).

Almost surely, 2^34164421 is an apocalyptic number.

It is an amenable number.

34164421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34164421 is an equidigital number, since it uses as much as digits as its factorization.

34164421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 34164421 is about 5845.0338750088. The cubic root of 34164421 is about 324.4825564795.

The spelling of 34164421 in words is "thirty-four million, one hundred sixty-four thousand, four hundred twenty-one".