42103361 has 2 divisors, whose sum is σ = 42103362. Its totient is φ = 42103360.

The previous prime is 42103357. The next prime is 42103367. The reversal of 42103361 is 16330124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22743361 + 19360000 = 4769^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 42103361 - 2² = 42103357 is a prime.

It is not a weakly prime, because it can be changed into another prime (42103367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051680 + 21051681.

It is an arithmetic number, because the mean of its divisors is an integer number (21051681).

Almost surely, 2^42103361 is an apocalyptic number.

It is an amenable number.

42103361 is a deficient number, since it is larger than the sum of its proper divisors (1).

42103361 is an equidigital number, since it uses as much as digits as its factorization.

42103361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 42103361 is about 6488.7102724656. The cubic root of 42103361 is about 347.8875781880.

Adding to 42103361 its reverse (16330124), we get a palindrome (58433485).

The spelling of 42103361 in words is "forty-two million, one hundred three thousand, three hundred sixty-one".