604323261 has 24 divisors (see below), whose sum is σ = 915445440. Its totient is φ = 398341152.

The previous prime is 604323221. The next prime is 604323263. The reversal of 604323261 is 162323406.

604323261 is a `hidden beast` number, since 604 + 32 + 3 + 26 + 1 = 666.

604323261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 604323261 - 2⁶ = 604323197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604323263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7656 + ... + 35598.

It is an arithmetic number, because the mean of its divisors is an integer number (38143560).

Almost surely, 2^604323261 is an apocalyptic number.

It is an amenable number.

604323261 is a deficient number, since it is larger than the sum of its proper divisors (311122179).

604323261 is an equidigital number, since it uses as much as digits as its factorization.

604323261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047 (or 28035 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 604323261 is about 24582.9872269421. The cubic root of 604323261 is about 845.4535855916.

Adding to 604323261 its reverse (162323406), we get a palindrome (766646667).

The spelling of 604323261 in words is "six hundred four million, three hundred twenty-three thousand, two hundred sixty-one".