42917563 has 8 divisors (see below), whose sum is σ = 48228768. Its totient is φ = 37893504.

The previous prime is 42917543. The next prime is 42917573. The reversal of 42917563 is 36571924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42917563 - 2²¹ = 40820411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42917543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71470 + ... + 72067.

It is an arithmetic number, because the mean of its divisors is an integer number (6028596).

Almost surely, 2^42917563 is an apocalyptic number.

42917563 is a deficient number, since it is larger than the sum of its proper divisors (5311205).

42917563 is a wasteful number, since it uses less digits than its factorization.

42917563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143573.

The product of its digits is 45360, while the sum is 37.

The square root of 42917563 is about 6551.1497464186. The cubic root of 42917563 is about 350.1157793832.

The spelling of 42917563 in words is "forty-two million, nine hundred seventeen thousand, five hundred sixty-three".