100534563 has 6 divisors (see below), whose sum is σ = 145216604. Its totient is φ = 67023036.

The previous prime is 100534547. The next prime is 100534579. The reversal of 100534563 is 365435001.

It is an interprime number because it is at equal distance from previous prime (100534547) and next prime (100534579).

It is not a de Polignac number, because 100534563 - 2⁴ = 100534547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100534543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5585245 + ... + 5585262.

Almost surely, 2^100534563 is an apocalyptic number.

100534563 is a deficient number, since it is larger than the sum of its proper divisors (44682041).

100534563 is a wasteful number, since it uses less digits than its factorization.

100534563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11170513 (or 11170510 counting only the distinct ones).

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

The square root of 100534563 is about 10026.6925254542. The cubic root of 100534563 is about 464.9844878627.

Adding to 100534563 its reverse (365435001), we get a palindrome (465969564).

The spelling of 100534563 in words is "one hundred million, five hundred thirty-four thousand, five hundred sixty-three".