5205805 has 8 divisors (see below), whose sum is σ = 6814944. Its totient is φ = 3786000.

The previous prime is 5205793. The next prime is 5205817. The reversal of 5205805 is 5085025.

It is an interprime number because it is at equal distance from previous prime (5205793) and next prime (5205817).

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

It is not a de Polignac number, because 5205805 - 2⁵ = 5205773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5205805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47271 + ... + 47380.

It is an arithmetic number, because the mean of its divisors is an integer number (851868).

Almost surely, 2^5205805 is an apocalyptic number.

5205805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5205805 is a deficient number, since it is larger than the sum of its proper divisors (1609139).

5205805 is a wasteful number, since it uses less digits than its factorization.

5205805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94667.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5205805 is about 2281.6233256171. The cubic root of 5205805 is about 173.3122652730.

The spelling of 5205805 in words is "five million, two hundred five thousand, eight hundred five".