34078981 has 2 divisors, whose sum is σ = 34078982. Its totient is φ = 34078980.

The previous prime is 34078969. The next prime is 34078987. The reversal of 34078981 is 18987043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18198756 + 15880225 = 4266^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 34078981 - 2⁹ = 34078469 is a prime.

It is a super-2 number, since 2×34078981² = 2322753891996722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34078987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17039490 + 17039491.

It is an arithmetic number, because the mean of its divisors is an integer number (17039491).

Almost surely, 2^34078981 is an apocalyptic number.

It is an amenable number.

34078981 is a deficient number, since it is larger than the sum of its proper divisors (1).

34078981 is an equidigital number, since it uses as much as digits as its factorization.

34078981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 34078981 is about 5837.7205311663. The cubic root of 34078981 is about 324.2118369028.

The spelling of 34078981 in words is "thirty-four million, seventy-eight thousand, nine hundred eighty-one".