9142563 has 8 divisors (see below), whose sum is σ = 12215488. Its totient is φ = 6082344.

The previous prime is 9142561. The next prime is 9142571. The reversal of 9142563 is 3652419.

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

It is not a de Polignac number, because 9142563 - 2¹ = 9142561 is a prime.

It is a Duffinian number.

9142563 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9142563.

It is not an unprimeable number, because it can be changed into a prime (9142561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345 + ... + 4482.

It is an arithmetic number, because the mean of its divisors is an integer number (1526936).

Almost surely, 2^9142563 is an apocalyptic number.

9142563 is a deficient number, since it is larger than the sum of its proper divisors (3072925).

9142563 is a wasteful number, since it uses less digits than its factorization.

9142563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353.

The product of its digits is 6480, while the sum is 30.

The square root of 9142563 is about 3023.6671443795. The cubic root of 9142563 is about 209.1009409920.

The spelling of 9142563 in words is "nine million, one hundred forty-two thousand, five hundred sixty-three".