42541001 has 2 divisors, whose sum is σ = 42541002. Its totient is φ = 42541000.

The previous prime is 42540989. The next prime is 42541013. The reversal of 42541001 is 10014524.

42541001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (42540989) and next prime (42541013).

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 2027776 = 6365^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 42541001 - 2⁶ = 42540937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42541091) 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, 21270500 + 21270501.

It is an arithmetic number, because the mean of its divisors is an integer number (21270501).

Almost surely, 2^42541001 is an apocalyptic number.

It is an amenable number.

42541001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42541001 is an equidigital number, since it uses as much as digits as its factorization.

42541001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42541001 is about 6522.3462802890. The cubic root of 42541001 is about 349.0887889407.

Adding to 42541001 its reverse (10014524), we get a palindrome (52555525).

The spelling of 42541001 in words is "forty-two million, five hundred forty-one thousand, one".