671461371 has 12 divisors (see below), whose sum is σ = 1108444272. Its totient is φ = 383692176.

The previous prime is 671461367. The next prime is 671461381. The reversal of 671461371 is 173164176.

It is not a de Polignac number, because 671461371 - 2² = 671461367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671461321) 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 11 ways as a sum of consecutive naturals, for example, 5328996 + ... + 5329121.

It is an arithmetic number, because the mean of its divisors is an integer number (92370356).

Almost surely, 2^671461371 is an apocalyptic number.

671461371 is a deficient number, since it is larger than the sum of its proper divisors (436982901).

671461371 is a wasteful number, since it uses less digits than its factorization.

671461371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658130 (or 10658127 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 671461371 is about 25912.5716786273. The cubic root of 671461371 is about 875.6697439945.

The spelling of 671461371 in words is "six hundred seventy-one million, four hundred sixty-one thousand, three hundred seventy-one".