34605881 has 2 divisors, whose sum is σ = 34605882. Its totient is φ = 34605880.

The previous prime is 34605847. The next prime is 34605917. The reversal of 34605881 is 18850643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24840256 + 9765625 = 4984^2 + 3125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34605881 is a prime.

It is a super-2 number, since 2×34605881² = 2395133999572322, 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 (34605811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17302940 + 17302941.

It is an arithmetic number, because the mean of its divisors is an integer number (17302941).

Almost surely, 2^34605881 is an apocalyptic number.

It is an amenable number.

34605881 is a deficient number, since it is larger than the sum of its proper divisors (1).

34605881 is an equidigital number, since it uses as much as digits as its factorization.

34605881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 34605881 is about 5882.6763466980. The cubic root of 34605881 is about 325.8741939950.

The spelling of 34605881 in words is "thirty-four million, six hundred five thousand, eight hundred eighty-one".