41857157 has 2 divisors, whose sum is σ = 41857158. Its totient is φ = 41857156.

The previous prime is 41857147. The next prime is 41857169. The reversal of 41857157 is 75175814.

It is a happy number.

41857157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38763076 + 3094081 = 6226^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 41857157 - 2⁴ = 41857141 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41857157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41857117) 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, 20928578 + 20928579.

It is an arithmetic number, because the mean of its divisors is an integer number (20928579).

Almost surely, 2^41857157 is an apocalyptic number.

It is an amenable number.

41857157 is a deficient number, since it is larger than the sum of its proper divisors (1).

41857157 is an equidigital number, since it uses as much as digits as its factorization.

41857157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 38.

The square root of 41857157 is about 6469.7107354193. The cubic root of 41857157 is about 347.2081485847.

It can be divided in two parts, 418 and 57157, that added together give a palindrome (57575).

The spelling of 41857157 in words is "forty-one million, eight hundred fifty-seven thousand, one hundred fifty-seven".