100536281 has 4 divisors (see below), whose sum is σ = 101153232. Its totient is φ = 99919332.

The previous prime is 100536229. The next prime is 100536299. The reversal of 100536281 is 182635001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100536281 - 2¹⁴ = 100519897 is a prime.

It is a super-2 number, since 2×100536281² = 20215087594621922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100536281.

It is not an unprimeable number, because it can be changed into a prime (100536481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308231 + ... + 308556.

It is an arithmetic number, because the mean of its divisors is an integer number (25288308).

Almost surely, 2^100536281 is an apocalyptic number.

It is an amenable number.

100536281 is a deficient number, since it is larger than the sum of its proper divisors (616951).

100536281 is an equidigital number, since it uses as much as digits as its factorization.

100536281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616950.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 100536281 is about 10026.7781964099. The cubic root of 100536281 is about 464.9871365001.

The spelling of 100536281 in words is "one hundred million, five hundred thirty-six thousand, two hundred eighty-one".