7057157 has 2 divisors, whose sum is σ = 7057158. Its totient is φ = 7057156.

The previous prime is 7057153. The next prime is 7057201. The reversal of 7057157 is 7517507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 498436 = 2561^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 7057157 - 2² = 7057153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7057153) 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, 3528578 + 3528579.

It is an arithmetic number, because the mean of its divisors is an integer number (3528579).

Almost surely, 2^7057157 is an apocalyptic number.

It is an amenable number.

7057157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7057157 is an equidigital number, since it uses as much as digits as its factorization.

7057157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 7057157 is about 2656.5310086652. The cubic root of 7057157 is about 191.8123618957.

The spelling of 7057157 in words is "seven million, fifty-seven thousand, one hundred fifty-seven".