34030421 has 2 divisors, whose sum is σ = 34030422. Its totient is φ = 34030420.

The previous prime is 34030411. The next prime is 34030457. The reversal of 34030421 is 12403043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32649796 + 1380625 = 5714^2 + 1175^2 .

It is an emirp because it is prime and its reverse (12403043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34030421 - 2¹⁸ = 33768277 is a prime.

It is equal to p_2091113 and since 34030421 and 2091113 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34030421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34030411) 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, 17015210 + 17015211.

It is an arithmetic number, because the mean of its divisors is an integer number (17015211).

Almost surely, 2^34030421 is an apocalyptic number.

It is an amenable number.

34030421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34030421 is an equidigital number, since it uses as much as digits as its factorization.

34030421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34030421 is about 5833.5598908385. The cubic root of 34030421 is about 324.0577711596.

Adding to 34030421 its reverse (12403043), we get a palindrome (46433464).

It can be divided in two parts, 3403042 and 1, that added together give a palindrome (3403043).

The spelling of 34030421 in words is "thirty-four million, thirty thousand, four hundred twenty-one".