604581 has 8 divisors (see below), whose sum is σ = 812544. Its totient is φ = 399840.

The previous prime is 604579. The next prime is 604589. The reversal of 604581 is 185406.

604581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 604581 - 2¹ = 604579 is a prime.

It is a super-2 number, since 2×604581² = 731036371122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604589) 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, 325 + ... + 1146.

It is an arithmetic number, because the mean of its divisors is an integer number (101568).

2⁶⁰⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

604581 is a deficient number, since it is larger than the sum of its proper divisors (207963).

604581 is a wasteful number, since it uses less digits than its factorization.

604581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 604581 is about 777.5480692536. The cubic root of 604581 is about 84.5573761555.

Adding to 604581 its reverse (185406), we get a palindrome (789987).

The spelling of 604581 in words is "six hundred four thousand, five hundred eighty-one".