604705 has 4 divisors (see below), whose sum is σ = 725652. Its totient is φ = 483760.

The previous prime is 604699. The next prime is 604711. The reversal of 604705 is 507406.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507406 = 2 ⋅253703.

It is an interprime number because it is at equal distance from previous prime (604699) and next prime (604711).

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 173056 = 657^2 + 416^2 .

It is not a de Polignac number, because 604705 - 2³ = 604697 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60466 + ... + 60475.

It is an arithmetic number, because the mean of its divisors is an integer number (181413).

2⁶⁰⁴⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

604705 is a deficient number, since it is larger than the sum of its proper divisors (120947).

604705 is a wasteful number, since it uses less digits than its factorization.

604705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120946.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 604705 is about 777.6278030009. The cubic root of 604705 is about 84.5631566867.

Adding to 604705 its reverse (507406), we get a palindrome (1112111).

The spelling of 604705 in words is "six hundred four thousand, seven hundred five".