100563540 has 96 divisors (see below), whose sum is σ = 351074304. Its totient is φ = 20895360.

The previous prime is 100563487. The next prime is 100563569. The reversal of 100563540 is 45365001.

It is a super-2 number, since 2×100563540² = 20226051154663200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100563540.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6264 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (3657024).

Almost surely, 2^100563540 is an apocalyptic number.

100563540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100563540 is an abundant number, since it is smaller than the sum of its proper divisors (250510764).

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

100563540 is a wasteful number, since it uses less digits than its factorization.

100563540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21797 (or 21795 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 100563540 is about 10028.1374142958. The cubic root of 100563540 is about 465.0291576120.

The spelling of 100563540 in words is "one hundred million, five hundred sixty-three thousand, five hundred forty".