34505 has 8 divisors (see below), whose sum is σ = 42432. Its totient is φ = 26928.

The previous prime is 34501. The next prime is 34511. The reversal of 34505 is 50543.

34505 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34505 - 2² = 34501 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (5304).

2³⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

34505 is a deficient number, since it is larger than the sum of its proper divisors (7927).

34505 is a wasteful number, since it uses less digits than its factorization.

34505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 34505 is about 185.7552152700. The cubic root of 34505 is about 32.5557229459. Note that the first 3 decimals are identical.

The spelling of 34505 in words is "thirty-four thousand, five hundred five".