607666001 has 2 divisors, whose sum is σ = 607666002. Its totient is φ = 607666000.

The previous prime is 607665997. The next prime is 607666009. The reversal of 607666001 is 100666706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473106001 + 134560000 = 21751^2 + 11600^2 .

It is a cyclic number.

It is not a de Polignac number, because 607666001 - 2² = 607665997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (607666009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303833000 + 303833001.

It is an arithmetic number, because the mean of its divisors is an integer number (303833001).

Almost surely, 2^607666001 is an apocalyptic number.

It is an amenable number.

607666001 is a deficient number, since it is larger than the sum of its proper divisors (1).

607666001 is an equidigital number, since it uses as much as digits as its factorization.

607666001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 607666001 is about 24650.8823574330. The cubic root of 607666001 is about 847.0095611512.

The spelling of 607666001 in words is "six hundred seven million, six hundred sixty-six thousand, one".