7057871 has 2 divisors, whose sum is σ = 7057872. Its totient is φ = 7057870.

The previous prime is 7057811. The next prime is 7057879. The reversal of 7057871 is 1787507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7057871 - 2¹⁴ = 7041487 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7057879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528935 + 3528936.

It is an arithmetic number, because the mean of its divisors is an integer number (3528936).

Almost surely, 2^7057871 is an apocalyptic number.

7057871 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057871 is an equidigital number, since it uses as much as digits as its factorization.

7057871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 7057871 is about 2656.6653910495. The cubic root of 7057871 is about 191.8188304782.

The spelling of 7057871 in words is "seven million, fifty-seven thousand, eight hundred seventy-one".