42441757 has 2 divisors, whose sum is σ = 42441758. Its totient is φ = 42441756.

The previous prime is 42441743. The next prime is 42441779. The reversal of 42441757 is 75714424.

It is a happy number.

42441757 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., 31292836 + 11148921 = 5594^2 + 3339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42441757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42441727) 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, 21220878 + 21220879.

It is an arithmetic number, because the mean of its divisors is an integer number (21220879).

Almost surely, 2^42441757 is an apocalyptic number.

It is an amenable number.

42441757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441757 is an equidigital number, since it uses as much as digits as its factorization.

42441757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 34.

The square root of 42441757 is about 6514.7338395363. The cubic root of 42441757 is about 348.8171142188.

The spelling of 42441757 in words is "forty-two million, four hundred forty-one thousand, seven hundred fifty-seven".