671374141 has 2 divisors, whose sum is σ = 671374142. Its totient is φ = 671374140.

The previous prime is 671374129. The next prime is 671374199. The reversal of 671374141 is 141473176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557951641 + 113422500 = 23621^2 + 10650^2 .

It is a cyclic number.

It is not a de Polignac number, because 671374141 - 2⁹ = 671373629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671374097 and 671374106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671374111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335687070 + 335687071.

It is an arithmetic number, because the mean of its divisors is an integer number (335687071).

Almost surely, 2^671374141 is an apocalyptic number.

It is an amenable number.

671374141 is a deficient number, since it is larger than the sum of its proper divisors (1).

671374141 is an equidigital number, since it uses as much as digits as its factorization.

671374141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 671374141 is about 25910.8884641187. Note that the first 3 decimals coincide. The cubic root of 671374141 is about 875.6318227365.

The spelling of 671374141 in words is "six hundred seventy-one million, three hundred seventy-four thousand, one hundred forty-one".