10563534 has 40 divisors (see below), whose sum is σ = 23862168. Its totient is φ = 3492720.

The previous prime is 10563491. The next prime is 10563547. The reversal of 10563534 is 43536501.

It is a super-2 number, since 2×10563534² = 223176501138312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10563498 and 10563507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31749 + ... + 32079.

Almost surely, 2^10563534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10563534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11931084).

10563534 is an abundant number, since it is smaller than the sum of its proper divisors (13298634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10563534 is a wasteful number, since it uses less digits than its factorization.

10563534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 10563534 is about 3250.1590730301. The cubic root of 10563534 is about 219.4167332393.

The spelling of 10563534 in words is "ten million, five hundred sixty-three thousand, five hundred thirty-four".