705205 has 4 divisors (see below), whose sum is σ = 846252. Its totient is φ = 564160.

The previous prime is 705197. The next prime is 705209. The reversal of 705205 is 502507.

It is a happy number.

705205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 625681 = 282^2 + 791^2 .

It is not a de Polignac number, because 705205 - 2³ = 705197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70516 + ... + 70525.

It is an arithmetic number, because the mean of its divisors is an integer number (211563).

2⁷⁰⁵²⁰⁵ is an apocalyptic number.

It is an amenable number.

705205 is a deficient number, since it is larger than the sum of its proper divisors (141047).

705205 is a wasteful number, since it uses less digits than its factorization.

705205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141046.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 705205 is about 839.7648480378. The cubic root of 705205 is about 89.0099302979.

The spelling of 705205 in words is "seven hundred five thousand, two hundred five".