4065157 has 2 divisors, whose sum is σ = 4065158. Its totient is φ = 4065156.

The previous prime is 4065137. The next prime is 4065161. The reversal of 4065157 is 7515604.

4065157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 857476 = 1791^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 4065157 - 2⁷ = 4065029 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4065137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032578 + 2032579.

It is an arithmetic number, because the mean of its divisors is an integer number (2032579).

Almost surely, 2^4065157 is an apocalyptic number.

It is an amenable number.

4065157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065157 is an equidigital number, since it uses as much as digits as its factorization.

4065157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 4065157 is about 2016.2234499182. The cubic root of 4065157 is about 159.5973861755.

The spelling of 4065157 in words is "four million, sixty-five thousand, one hundred fifty-seven".