600066001 has 2 divisors, whose sum is σ = 600066002. Its totient is φ = 600066000.

The previous prime is 600065981. The next prime is 600066011. The reversal of 600066001 is 100660006.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538286401 + 61779600 = 23201^2 + 7860^2 .

It is a cyclic number.

It is not a de Polignac number, because 600066001 - 2⁵ = 600065969 is a prime.

It is a super-2 number, since 2×600066001² = 720158411112264002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 600066001.

It is not a weakly prime, because it can be changed into another prime (600066011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300033000 + 300033001.

It is an arithmetic number, because the mean of its divisors is an integer number (300033001).

Almost surely, 2^600066001 is an apocalyptic number.

It is an amenable number.

600066001 is a deficient number, since it is larger than the sum of its proper divisors (1).

600066001 is an equidigital number, since it uses as much as digits as its factorization.

600066001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 600066001 is about 24496.2446305551. The cubic root of 600066001 is about 843.4635905008.

The spelling of 600066001 in words is "six hundred million, sixty-six thousand, one".