201057671 has 2 divisors, whose sum is σ = 201057672. Its totient is φ = 201057670.

The previous prime is 201057653. The next prime is 201057679. The reversal of 201057671 is 176750102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201057671 - 2¹⁴ = 201041287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201057679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100528835 + 100528836.

It is an arithmetic number, because the mean of its divisors is an integer number (100528836).

Almost surely, 2^201057671 is an apocalyptic number.

201057671 is a deficient number, since it is larger than the sum of its proper divisors (1).

201057671 is an equidigital number, since it uses as much as digits as its factorization.

201057671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 201057671 is about 14179.4806322376. The cubic root of 201057671 is about 585.8326186596.

The spelling of 201057671 in words is "two hundred one million, fifty-seven thousand, six hundred seventy-one".