705523 has 8 divisors (see below), whose sum is σ = 868448. Its totient is φ = 558144.

The previous prime is 705521. The next prime is 705533. The reversal of 705523 is 325507.

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 705523 - 2¹ = 705521 is a prime.

705523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 705494 and 705503.

It is not an unprimeable number, because it can be changed into a prime (705521) 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, 3786 + ... + 3967.

It is an arithmetic number, because the mean of its divisors is an integer number (108556).

2⁷⁰⁵⁵²³ is an apocalyptic number.

705523 is a deficient number, since it is larger than the sum of its proper divisors (162925).

705523 is a wasteful number, since it uses less digits than its factorization.

705523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 705523 is about 839.9541654162. The cubic root of 705523 is about 89.0233074504.

The spelling of 705523 in words is "seven hundred five thousand, five hundred twenty-three".