5205305 has 8 divisors (see below), whose sum is σ = 7138752. Its totient is φ = 3569328.

The previous prime is 5205283. The next prime is 5205307. The reversal of 5205305 is 5035025.

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

It is not a de Polignac number, because 5205305 - 2²² = 1011001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5205307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74327 + ... + 74396.

It is an arithmetic number, because the mean of its divisors is an integer number (892344).

Almost surely, 2^5205305 is an apocalyptic number.

It is an amenable number.

5205305 is a deficient number, since it is larger than the sum of its proper divisors (1933447).

5205305 is a wasteful number, since it uses less digits than its factorization.

5205305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148735.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 5205305 is about 2281.5137518762. The cubic root of 5205305 is about 173.3067164093.

The spelling of 5205305 in words is "five million, two hundred five thousand, three hundred five".