705503 has 4 divisors (see below), whose sum is σ = 713520. Its totient is φ = 697488.

The previous prime is 705499. The next prime is 705521. The reversal of 705503 is 305507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305507 = 17 ⋅17971.

It is a cyclic number.

It is not a de Polignac number, because 705503 - 2² = 705499 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 (705533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875 + ... + 4052.

It is an arithmetic number, because the mean of its divisors is an integer number (178380).

2⁷⁰⁵⁵⁰³ is an apocalyptic number.

705503 is a deficient number, since it is larger than the sum of its proper divisors (8017).

705503 is an equidigital number, since it uses as much as digits as its factorization.

705503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 705503 is about 839.9422599203. The cubic root of 705503 is about 89.0224662385.

The spelling of 705503 in words is "seven hundred five thousand, five hundred three".