600721001 has 2 divisors, whose sum is σ = 600721002. Its totient is φ = 600721000.

The previous prime is 600720983. The next prime is 600721013. The reversal of 600721001 is 100127006.

It is a happy number.

600721001 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., 476286976 + 124434025 = 21824^2 + 11155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-600721001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (600721021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300360500 + 300360501.

It is an arithmetic number, because the mean of its divisors is an integer number (300360501).

Almost surely, 2^600721001 is an apocalyptic number.

It is an amenable number.

600721001 is a deficient number, since it is larger than the sum of its proper divisors (1).

600721001 is an equidigital number, since it uses as much as digits as its factorization.

600721001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 600721001 is about 24509.6103804202. The cubic root of 600721001 is about 843.7703721757.

Adding to 600721001 its reverse (100127006), we get a palindrome (700848007).

The spelling of 600721001 in words is "six hundred million, seven hundred twenty-one thousand, one".