600004421 has 2 divisors, whose sum is σ = 600004422. Its totient is φ = 600004420.

The previous prime is 600004399. The next prime is 600004441. The reversal of 600004421 is 124400006.

600004421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589955521 + 10048900 = 24289^2 + 3170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-600004421 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 600004421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (600004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300002210 + 300002211.

It is an arithmetic number, because the mean of its divisors is an integer number (300002211).

Almost surely, 2^600004421 is an apocalyptic number.

It is an amenable number.

600004421 is a deficient number, since it is larger than the sum of its proper divisors (1).

600004421 is an equidigital number, since it uses as much as digits as its factorization.

600004421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 600004421 is about 24494.9876709502. The cubic root of 600004421 is about 843.4347368610.

Adding to 600004421 its reverse (124400006), we get a palindrome (724404427).

The spelling of 600004421 in words is "six hundred million, four thousand, four hundred twenty-one".