1671320041 has 2 divisors, whose sum is σ = 1671320042. Its totient is φ = 1671320040.

The previous prime is 1671319981. The next prime is 1671320113. The reversal of 1671320041 is 1400231761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087614441 + 583705600 = 32979^2 + 24160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671320041 - 2⁷ = 1671319913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1671319988 and 1671320015.

It is not a weakly prime, because it can be changed into another prime (1671320641) 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 as a sum of consecutive naturals, namely, 835660020 + 835660021.

It is an arithmetic number, because the mean of its divisors is an integer number (835660021).

Almost surely, 2^1671320041 is an apocalyptic number.

It is an amenable number.

1671320041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671320041 is an equidigital number, since it uses as much as digits as its factorization.

1671320041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1671320041 is about 40881.7812845771. The cubic root of 1671320041 is about 1186.7335132128.

The spelling of 1671320041 in words is "one billion, six hundred seventy-one million, three hundred twenty thousand, forty-one".