671064201 has 6 divisors (see below), whose sum is σ = 969314970. Its totient is φ = 447376128.

The previous prime is 671064143. The next prime is 671064203. The reversal of 671064201 is 102460176.

671064201 is a `hidden beast` number, since 6 + 7 + 10 + 642 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 545175801 + 125888400 = 23349^2 + 11220^2 .

It is not a de Polignac number, because 671064201 - 2⁹ = 671063689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671064203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37281336 + ... + 37281353.

It is an arithmetic number, because the mean of its divisors is an integer number (161552495).

Almost surely, 2^671064201 is an apocalyptic number.

It is an amenable number.

671064201 is a deficient number, since it is larger than the sum of its proper divisors (298250769).

671064201 is a wasteful number, since it uses less digits than its factorization.

671064201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74562695 (or 74562692 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 671064201 is about 25904.9068903943. The cubic root of 671064201 is about 875.4970567969.

The spelling of 671064201 in words is "six hundred seventy-one million, sixty-four thousand, two hundred one".