34143409 has 2 divisors, whose sum is σ = 34143410. Its totient is φ = 34143408.

The previous prime is 34143397. The next prime is 34143451. The reversal of 34143409 is 90434143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27878400 + 6265009 = 5280^2 + 2503^2 .

It is an emirp because it is prime and its reverse (90434143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34143409 - 2⁵ = 34143377 is a prime.

It is not a weakly prime, because it can be changed into another prime (34143509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17071704 + 17071705.

It is an arithmetic number, because the mean of its divisors is an integer number (17071705).

Almost surely, 2^34143409 is an apocalyptic number.

It is an amenable number.

34143409 is a deficient number, since it is larger than the sum of its proper divisors (1).

34143409 is an equidigital number, since it uses as much as digits as its factorization.

34143409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 34143409 is about 5843.2361752714. The cubic root of 34143409 is about 324.4160211238.

The spelling of 34143409 in words is "thirty-four million, one hundred forty-three thousand, four hundred nine".