42569141 has 2 divisors, whose sum is σ = 42569142. Its totient is φ = 42569140.

The previous prime is 42569099. The next prime is 42569171. The reversal of 42569141 is 14196524.

42569141 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., 36857041 + 5712100 = 6071^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 42569141 - 2¹⁸ = 42306997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42569098 and 42569107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42569171) 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, 21284570 + 21284571.

It is an arithmetic number, because the mean of its divisors is an integer number (21284571).

Almost surely, 2^42569141 is an apocalyptic number.

It is an amenable number.

42569141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42569141 is an equidigital number, since it uses as much as digits as its factorization.

42569141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 42569141 is about 6524.5031228439. The cubic root of 42569141 is about 349.1657436675.

The spelling of 42569141 in words is "forty-two million, five hundred sixty-nine thousand, one hundred forty-one".