604225321 has 12 divisors (see below), whose sum is σ = 703304532. Its totient is φ = 517590528.

The previous prime is 604225301. The next prime is 604225337. The reversal of 604225321 is 123522406.

It can be written as a sum of positive squares in 2 ways, for example, as 155251600 + 448973721 = 12460^2 + 21189^2 .

It is a de Polignac number, because none of the positive numbers 2^k-604225321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604225301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114681 + ... + 119833.

It is an arithmetic number, because the mean of its divisors is an integer number (58608711).

Almost surely, 2^604225321 is an apocalyptic number.

It is an amenable number.

604225321 is a deficient number, since it is larger than the sum of its proper divisors (99079211).

604225321 is a wasteful number, since it uses less digits than its factorization.

604225321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 604225321 is about 24580.9951181802. The cubic root of 604225321 is about 845.4079101487.

Adding to 604225321 its reverse (123522406), we get a palindrome (727747727).

The spelling of 604225321 in words is "six hundred four million, two hundred twenty-five thousand, three hundred twenty-one".