34240681 has 2 divisors, whose sum is σ = 34240682. Its totient is φ = 34240680.

The previous prime is 34240663. The next prime is 34240691. The reversal of 34240681 is 18604243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 10621081 = 4860^2 + 3259^2 .

It is a cyclic number.

It is not a de Polignac number, because 34240681 - 2¹³ = 34232489 is a prime.

It is a super-2 number, since 2×34240681² = 2344848470687522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34240691) 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, 17120340 + 17120341.

It is an arithmetic number, because the mean of its divisors is an integer number (17120341).

Almost surely, 2^34240681 is an apocalyptic number.

It is an amenable number.

34240681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34240681 is an equidigital number, since it uses as much as digits as its factorization.

34240681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 34240681 is about 5851.5537252938. The cubic root of 34240681 is about 324.7238079561.

The spelling of 34240681 in words is "thirty-four million, two hundred forty thousand, six hundred eighty-one".