42566241 has 16 divisors (see below), whose sum is σ = 58399488. Its totient is φ = 27561600.

The previous prime is 42566231. The next prime is 42566257. The reversal of 42566241 is 14266524.

It is not a de Polignac number, because 42566241 - 2²¹ = 40469089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42566199 and 42566208.

It is not an unprimeable number, because it can be changed into a prime (42566231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32695 + ... + 33971.

It is an arithmetic number, because the mean of its divisors is an integer number (3649968).

Almost surely, 2^42566241 is an apocalyptic number.

42566241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42566241 is a deficient number, since it is larger than the sum of its proper divisors (15833247).

42566241 is a wasteful number, since it uses less digits than its factorization.

42566241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its digits is 11520, while the sum is 30.

The square root of 42566241 is about 6524.2808799131. The cubic root of 42566241 is about 349.1578145775.

It can be divided in two parts, 425 and 66241, that added together give a palindrome (66666).

The spelling of 42566241 in words is "forty-two million, five hundred sixty-six thousand, two hundred forty-one".