604134221 has 8 divisors (see below), whose sum is σ = 621447288. Its totient is φ = 586944000.

The previous prime is 604134211. The next prime is 604134247. The reversal of 604134221 is 122431406.

It can be written as a sum of positive squares in 4 ways, for example, as 156600196 + 447534025 = 12514^2 + 21155^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 604134221 - 2¹⁰ = 604133197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604134211) 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, 20690 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (77680911).

Almost surely, 2^604134221 is an apocalyptic number.

It is an amenable number.

604134221 is a deficient number, since it is larger than the sum of its proper divisors (17313067).

604134221 is a wasteful number, since it uses less digits than its factorization.

604134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61423.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 604134221 is about 24579.1419907205. The cubic root of 604134221 is about 845.3654201873.

Adding to 604134221 its reverse (122431406), we get a palindrome (726565627).

The spelling of 604134221 in words is "six hundred four million, one hundred thirty-four thousand, two hundred twenty-one".