604913 has 4 divisors (see below), whose sum is σ = 621300. Its totient is φ = 588528.

The previous prime is 604907. The next prime is 604931. The reversal of 604913 is 319406.

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 327184 + 277729 = 572^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 604913 - 2¹⁴ = 588529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8138 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (155325).

2⁶⁰⁴⁹¹³ is an apocalyptic number.

It is an amenable number.

604913 is a deficient number, since it is larger than the sum of its proper divisors (16387).

604913 is a wasteful number, since it uses less digits than its factorization.

604913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16386.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 604913 is about 777.7615315764. The cubic root of 604913 is about 84.5728512872.

The spelling of 604913 in words is "six hundred four thousand, nine hundred thirteen".