7111057 has 2 divisors, whose sum is σ = 7111058. Its totient is φ = 7111056.

The previous prime is 7111033. The next prime is 7111087. The reversal of 7111057 is 7501117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 14161 = 2664^2 + 119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7111057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555528 + 3555529.

It is an arithmetic number, because the mean of its divisors is an integer number (3555529).

Almost surely, 2^7111057 is an apocalyptic number.

It is an amenable number.

7111057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7111057 is an equidigital number, since it uses as much as digits as its factorization.

7111057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 7111057 is about 2666.6565208140. The cubic root of 7111057 is about 192.2994549456.

The spelling of 7111057 in words is "seven million, one hundred eleven thousand, fifty-seven".