660001301 has 4 divisors (see below), whose sum is σ = 677839212. Its totient is φ = 642163392.

The previous prime is 660001297. The next prime is 660001333. The reversal of 660001301 is 103100066.

660001301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 469588900 + 190412401 = 21670^2 + 13799^2 .

It is a cyclic number.

It is not a de Polignac number, because 660001301 - 2² = 660001297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 660001301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660001351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918900 + ... + 8918973.

It is an arithmetic number, because the mean of its divisors is an integer number (169459803).

Almost surely, 2^660001301 is an apocalyptic number.

It is an amenable number.

660001301 is a deficient number, since it is larger than the sum of its proper divisors (17837911).

660001301 is a wasteful number, since it uses less digits than its factorization.

660001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837910.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 660001301 is about 25690.4904779959. The cubic root of 660001301 is about 870.6593412014.

Adding to 660001301 its reverse (103100066), we get a palindrome (763101367).

The spelling of 660001301 in words is "six hundred sixty million, one thousand, three hundred one".