604204081 has 8 divisors (see below), whose sum is σ = 662959080. Its totient is φ = 547203072.

The previous prime is 604204019. The next prime is 604204093. The reversal of 604204081 is 180402406.

It can be written as a sum of positive squares in 4 ways, for example, as 220671025 + 383533056 = 14855^2 + 19584^2 .

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

It is not a de Polignac number, because 604204081 - 2¹⁹ = 603679793 is a prime.

It is a super-2 number, since 2×604204081² = 730125142994109122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604208081) 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 7 ways as a sum of consecutive naturals, for example, 437776 + ... + 439153.

It is an arithmetic number, because the mean of its divisors is an integer number (82869885).

Almost surely, 2^604204081 is an apocalyptic number.

It is an amenable number.

604204081 is a deficient number, since it is larger than the sum of its proper divisors (58754999).

604204081 is a wasteful number, since it uses less digits than its factorization.

604204081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876995.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 604204081 is about 24580.5630732902. The cubic root of 604204081 is about 845.3980039797.

Adding to 604204081 its reverse (180402406), we get a palindrome (784606487).

The spelling of 604204081 in words is "six hundred four million, two hundred four thousand, eighty-one".