34963421 has 2 divisors, whose sum is σ = 34963422. Its totient is φ = 34963420.

The previous prime is 34963417. The next prime is 34963493. The reversal of 34963421 is 12436943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 6180196 = 5365^2 + 2486^2 .

It is an emirp because it is prime and its reverse (12436943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34963421 - 2² = 34963417 is a prime.

It is equal to p_2144687 and since 34963421 and 2144687 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34963321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17481710 + 17481711.

It is an arithmetic number, because the mean of its divisors is an integer number (17481711).

Almost surely, 2^34963421 is an apocalyptic number.

It is an amenable number.

34963421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34963421 is an equidigital number, since it uses as much as digits as its factorization.

34963421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 34963421 is about 5912.9874851889. The cubic root of 34963421 is about 326.9926366929.

The spelling of 34963421 in words is "thirty-four million, nine hundred sixty-three thousand, four hundred twenty-one".