42271563 has 4 divisors (see below), whose sum is σ = 56362088. Its totient is φ = 28181040.

The previous prime is 42271549. The next prime is 42271577. The reversal of 42271563 is 36517224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42271549) and next prime (42271577).

It is not a de Polignac number, because 42271563 - 2¹⁶ = 42206027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42271563.

It is not an unprimeable number, because it can be changed into a prime (42271513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7045258 + ... + 7045263.

It is an arithmetic number, because the mean of its divisors is an integer number (14090522).

Almost surely, 2^42271563 is an apocalyptic number.

42271563 is a deficient number, since it is larger than the sum of its proper divisors (14090525).

42271563 is a wasteful number, since it uses less digits than its factorization.

42271563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090524.

The product of its digits is 10080, while the sum is 30.

The square root of 42271563 is about 6501.6584807263. The cubic root of 42271563 is about 348.3502303767.

Adding to 42271563 its reverse (36517224), we get a palindrome (78788787).

The spelling of 42271563 in words is "forty-two million, two hundred seventy-one thousand, five hundred sixty-three".