671101141 has 2 divisors, whose sum is σ = 671101142. Its totient is φ = 671101140.

The previous prime is 671101139. The next prime is 671101177. The reversal of 671101141 is 141101176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640343025 + 30758116 = 25305^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 671101141 - 2¹ = 671101139 is a prime.

Together with 671101139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671101181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335550570 + 335550571.

It is an arithmetic number, because the mean of its divisors is an integer number (335550571).

Almost surely, 2^671101141 is an apocalyptic number.

It is an amenable number.

671101141 is a deficient number, since it is larger than the sum of its proper divisors (1).

671101141 is an equidigital number, since it uses as much as digits as its factorization.

671101141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 671101141 is about 25905.6198729156. The cubic root of 671101141 is about 875.5131209667.

The spelling of 671101141 in words is "six hundred seventy-one million, one hundred one thousand, one hundred forty-one".