42272563 has 2 divisors, whose sum is σ = 42272564. Its totient is φ = 42272562.

The previous prime is 42272513. The next prime is 42272617. The reversal of 42272563 is 36527224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42272563 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (42272513) 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, 21136281 + 21136282.

It is an arithmetic number, because the mean of its divisors is an integer number (21136282).

Almost surely, 2^42272563 is an apocalyptic number.

42272563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42272563 is an equidigital number, since it uses as much as digits as its factorization.

42272563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 42272563 is about 6501.7353837264. The cubic root of 42272563 is about 348.3529772784.

Adding to 42272563 its reverse (36527224), we get a palindrome (78799787).

It can be divided in two parts, 4227 and 2563, that multiplied together give a palindrome (10833801).

The spelling of 42272563 in words is "forty-two million, two hundred seventy-two thousand, five hundred sixty-three".