42130241 has 2 divisors, whose sum is σ = 42130242. Its totient is φ = 42130240.

The previous prime is 42130213. The next prime is 42130261. The reversal of 42130241 is 14203124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38440000 + 3690241 = 6200^2 + 1921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42130241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065120 + 21065121.

It is an arithmetic number, because the mean of its divisors is an integer number (21065121).

Almost surely, 2^42130241 is an apocalyptic number.

It is an amenable number.

42130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42130241 is an equidigital number, since it uses as much as digits as its factorization.

42130241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42130241 is about 6490.7812318703. The cubic root of 42130241 is about 347.9615962597.

Adding to 42130241 its reverse (14203124), we get a palindrome (56333365).

The spelling of 42130241 in words is "forty-two million, one hundred thirty thousand, two hundred forty-one".