105421533 has 16 divisors (see below), whose sum is σ = 160911360. Its totient is φ = 60140016.

The previous prime is 105421531. The next prime is 105421553. The reversal of 105421533 is 335124501.

It is not a de Polignac number, because 105421533 - 2¹ = 105421531 is a prime.

It is a super-2 number, since 2×105421533² = 22227399240140178, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105421531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9708 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (10056960).

Almost surely, 2^105421533 is an apocalyptic number.

It is an amenable number.

105421533 is a deficient number, since it is larger than the sum of its proper divisors (55489827).

105421533 is an equidigital number, since it uses as much as digits as its factorization.

105421533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416.

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

The square root of 105421533 is about 10267.4988677866. The cubic root of 105421533 is about 472.3998768845.

The spelling of 105421533 in words is "one hundred five million, four hundred twenty-one thousand, five hundred thirty-three".