34968581 has 2 divisors, whose sum is σ = 34968582. Its totient is φ = 34968580.

The previous prime is 34968551. The next prime is 34968601. The reversal of 34968581 is 18586943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19492225 + 15476356 = 4415^2 + 3934^2 .

It is an emirp because it is prime and its reverse (18586943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34968581 is a prime.

It is a super-2 number, since 2×34968581² = 2445603314307122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34968511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17484290 + 17484291.

It is an arithmetic number, because the mean of its divisors is an integer number (17484291).

Almost surely, 2^34968581 is an apocalyptic number.

It is an amenable number.

34968581 is a deficient number, since it is larger than the sum of its proper divisors (1).

34968581 is an equidigital number, since it uses as much as digits as its factorization.

34968581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 34968581 is about 5913.4237967526. The cubic root of 34968581 is about 327.0087220660.

The spelling of 34968581 in words is "thirty-four million, nine hundred sixty-eight thousand, five hundred eighty-one".