34443281 has 2 divisors, whose sum is σ = 34443282. Its totient is φ = 34443280.

The previous prime is 34443229. The next prime is 34443313. The reversal of 34443281 is 18234443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 512656 = 5825^2 + 716^2 .

It is an emirp because it is prime and its reverse (18234443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34443281 - 2¹⁸ = 34181137 is a prime.

It is a super-2 number, since 2×34443281² = 2372679212089922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34443881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17221640 + 17221641.

It is an arithmetic number, because the mean of its divisors is an integer number (17221641).

Almost surely, 2^34443281 is an apocalyptic number.

It is an amenable number.

34443281 is a deficient number, since it is larger than the sum of its proper divisors (1).

34443281 is an equidigital number, since it uses as much as digits as its factorization.

34443281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 34443281 is about 5868.8398342432. The cubic root of 34443281 is about 325.3630058328.

The spelling of 34443281 in words is "thirty-four million, four hundred forty-three thousand, two hundred eighty-one".