605326321 has 2 divisors, whose sum is σ = 605326322. Its totient is φ = 605326320.

The previous prime is 605326313. The next prime is 605326331. The reversal of 605326321 is 123623506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597118096 + 8208225 = 24436^2 + 2865^2 .

It is a cyclic number.

It is not a de Polignac number, because 605326321 - 2³ = 605326313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 605326321.

It is not a weakly prime, because it can be changed into another prime (605326331) 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 as a sum of consecutive naturals, namely, 302663160 + 302663161.

It is an arithmetic number, because the mean of its divisors is an integer number (302663161).

Almost surely, 2^605326321 is an apocalyptic number.

It is an amenable number.

605326321 is a deficient number, since it is larger than the sum of its proper divisors (1).

605326321 is an equidigital number, since it uses as much as digits as its factorization.

605326321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 605326321 is about 24603.3802758889. The cubic root of 605326321 is about 845.9210903007.

Adding to 605326321 its reverse (123623506), we get a palindrome (728949827).

The spelling of 605326321 in words is "six hundred five million, three hundred twenty-six thousand, three hundred twenty-one".