100240533 has 12 divisors (see below), whose sum is σ = 145544620. Its totient is φ = 66479616.

The previous prime is 100240529. The next prime is 100240541. The reversal of 100240533 is 335042001.

It can be written as a sum of positive squares in 2 ways, for example, as 14085009 + 86155524 = 3753^2 + 9282^2 .

It is not a de Polignac number, because 100240533 - 2² = 100240529 is a prime.

It is a super-2 number, since 2×100240533² = 20096328912248178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100240033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27118 + ... + 30591.

Almost surely, 2^100240533 is an apocalyptic number.

It is an amenable number.

100240533 is a deficient number, since it is larger than the sum of its proper divisors (45304087).

100240533 is a wasteful number, since it uses less digits than its factorization.

100240533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57908 (or 57905 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 100240533 is about 10012.0194266691. The cubic root of 100240533 is about 464.5307371391.

Adding to 100240533 its reverse (335042001), we get a palindrome (435282534).

The spelling of 100240533 in words is "one hundred million, two hundred forty thousand, five hundred thirty-three".