42541117 has 2 divisors, whose sum is σ = 42541118. Its totient is φ = 42541116.

The previous prime is 42541111. The next prime is 42541151. The reversal of 42541117 is 71114524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38675961 + 3865156 = 6219^2 + 1966^2 .

It is a cyclic number.

It is not a de Polignac number, because 42541117 - 2⁷ = 42540989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42541091 and 42541100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42541111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21270558 + 21270559.

It is an arithmetic number, because the mean of its divisors is an integer number (21270559).

Almost surely, 2^42541117 is an apocalyptic number.

It is an amenable number.

42541117 is a deficient number, since it is larger than the sum of its proper divisors (1).

42541117 is an equidigital number, since it uses as much as digits as its factorization.

42541117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 25.

The square root of 42541117 is about 6522.3551727884. The cubic root of 42541117 is about 349.0891062367.

The spelling of 42541117 in words is "forty-two million, five hundred forty-one thousand, one hundred seventeen".