34680281 has 2 divisors, whose sum is σ = 34680282. Its totient is φ = 34680280.

The previous prime is 34680277. The next prime is 34680293. The reversal of 34680281 is 18208643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23921881 + 10758400 = 4891^2 + 3280^2 .

It is an emirp because it is prime and its reverse (18208643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34680281 - 2² = 34680277 is a prime.

It is a super-2 number, since 2×34680281² = 2405443780477922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34680241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17340140 + 17340141.

It is an arithmetic number, because the mean of its divisors is an integer number (17340141).

Almost surely, 2^34680281 is an apocalyptic number.

It is an amenable number.

34680281 is a deficient number, since it is larger than the sum of its proper divisors (1).

34680281 is an equidigital number, since it uses as much as digits as its factorization.

34680281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 34680281 is about 5888.9966038367. The cubic root of 34680281 is about 326.1075617065.

The spelling of 34680281 in words is "thirty-four million, six hundred eighty thousand, two hundred eighty-one".