34351409 has 2 divisors, whose sum is σ = 34351410.
Its totient is φ = 34351408.
The previous prime is 34351381. The next prime is 34351439. The reversal of 34351409 is 90415343.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 33097009 + 1254400 = 5753^2 + 1120^2
It is an emirp because it is prime and its reverse (90415343) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 34351409 - 216 = 34285873 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (34351439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17175704 + 17175705.
It is an arithmetic number, because the mean of its divisors is an integer number (17175705).
Almost surely, 234351409 is an apocalyptic number.
It is an amenable number.
34351409 is a deficient number, since it is larger than the sum of its proper divisors (1).
34351409 is an equidigital number, since it uses as much as digits as its factorization.
34351409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 29.
The square root of 34351409 is about 5861.0075072465.
The cubic root of 34351409 is about 325.0734634719.
The spelling of 34351409 in words is "thirty-four million, three hundred fifty-one thousand, four hundred nine".