8561463 has 12 divisors (see below), whose sum is σ = 11570040. Its totient is φ = 5631216.

The previous prime is 8561447. The next prime is 8561471. The reversal of 8561463 is 3641658.

It is not a de Polignac number, because 8561463 - 2⁴ = 8561447 is a prime.

8561463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8561263) 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 in 11 ways as a sum of consecutive naturals, for example, 31693 + ... + 31961.

It is an arithmetic number, because the mean of its divisors is an integer number (964170).

Almost surely, 2^8561463 is an apocalyptic number.

8561463 is a deficient number, since it is larger than the sum of its proper divisors (3008577).

8561463 is a wasteful number, since it uses less digits than its factorization.

8561463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 375 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 8561463 is about 2925.9977785364. The cubic root of 8561463 is about 204.5734776600.

The spelling of 8561463 in words is "eight million, five hundred sixty-one thousand, four hundred sixty-three".