105100433 has 4 divisors (see below), whose sum is σ = 105128628. Its totient is φ = 105072240.

The previous prime is 105100427. The next prime is 105100451. The reversal of 105100433 is 334001501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 48052624 = 7553^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 105100433 - 2¹⁸ = 104838289 is a prime.

It is a super-2 number, since 2×105100433² = 22092202033574978, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105100423) 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, 7466 + ... + 16307.

It is an arithmetic number, because the mean of its divisors is an integer number (26282157).

Almost surely, 2^105100433 is an apocalyptic number.

It is an amenable number.

105100433 is a deficient number, since it is larger than the sum of its proper divisors (28195).

105100433 is an equidigital number, since it uses as much as digits as its factorization.

105100433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28194.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 105100433 is about 10251.8502232524. The cubic root of 105100433 is about 471.9197666576.

Adding to 105100433 its reverse (334001501), we get a palindrome (439101934).

The spelling of 105100433 in words is "one hundred five million, one hundred thousand, four hundred thirty-three".