42445303 has 2 divisors, whose sum is σ = 42445304. Its totient is φ = 42445302.

The previous prime is 42445301. The next prime is 42445313. The reversal of 42445303 is 30354424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42445303 - 2¹ = 42445301 is a prime.

Together with 42445301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42445301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21222651 + 21222652.

It is an arithmetic number, because the mean of its divisors is an integer number (21222652).

Almost surely, 2^42445303 is an apocalyptic number.

42445303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42445303 is an equidigital number, since it uses as much as digits as its factorization.

42445303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 42445303 is about 6515.0059861830. The cubic root of 42445303 is about 348.8268284808.

Adding to 42445303 its reverse (30354424), we get a palindrome (72799727).

The spelling of 42445303 in words is "forty-two million, four hundred forty-five thousand, three hundred three".