7057811 has 2 divisors, whose sum is σ = 7057812. Its totient is φ = 7057810.

The previous prime is 7057793. The next prime is 7057871. The reversal of 7057811 is 1187507.

It is a weak prime.

It is an emirp because it is prime and its reverse (1187507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7057811 - 2¹⁸ = 6795667 is a prime.

It is a super-2 number, since 2×7057811² = 99625392223442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (7057871) 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, 3528905 + 3528906.

It is an arithmetic number, because the mean of its divisors is an integer number (3528906).

Almost surely, 2^7057811 is an apocalyptic number.

7057811 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057811 is an equidigital number, since it uses as much as digits as its factorization.

7057811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 7057811 is about 2656.6540986737. The cubic root of 7057811 is about 191.8182869166.

The spelling of 7057811 in words is "seven million, fifty-seven thousand, eight hundred eleven".