604322261 has 4 divisors (see below), whose sum is σ = 609080832. Its totient is φ = 599563692.

The previous prime is 604322237. The next prime is 604322267. The reversal of 604322261 is 162223406.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604322261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 604322261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604322267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379095 + ... + 2379348.

It is an arithmetic number, because the mean of its divisors is an integer number (152270208).

Almost surely, 2^604322261 is an apocalyptic number.

It is an amenable number.

604322261 is a deficient number, since it is larger than the sum of its proper divisors (4758571).

604322261 is a wasteful number, since it uses less digits than its factorization.

604322261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758570.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 604322261 is about 24582.9668876643. The cubic root of 604322261 is about 845.4531192550.

Adding to 604322261 its reverse (162223406), we get a palindrome (766545667).

The spelling of 604322261 in words is "six hundred four million, three hundred twenty-two thousand, two hundred sixty-one".