4345205 has 16 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 3227328.

The previous prime is 4345199. The next prime is 4345207. The reversal of 4345205 is 5025434.

It is a cyclic number.

It is not a de Polignac number, because 4345205 - 2¹⁶ = 4279669 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 3⁹ + 4¹¹ + 5 + 2¹⁷ + 0 + 5³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (349920).

Almost surely, 2^4345205 is an apocalyptic number.

It is an amenable number.

4345205 is a deficient number, since it is larger than the sum of its proper divisors (1253515).

4345205 is a wasteful number, since it uses less digits than its factorization.

4345205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4345205 is about 2084.5155312446. The cubic root of 4345205 is about 163.1811878587.

The spelling of 4345205 in words is "four million, three hundred forty-five thousand, two hundred five".