105432513 has 16 divisors (see below), whose sum is σ = 142960896. Its totient is φ = 69102720.

The previous prime is 105432511. The next prime is 105432527. The reversal of 105432513 is 315234501.

It is not a de Polignac number, because 105432513 - 2¹ = 105432511 is a prime.

It is a super-2 number, since 2×105432513² = 22232029594990338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105432511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93831 + ... + 94947.

It is an arithmetic number, because the mean of its divisors is an integer number (8935056).

Almost surely, 2^105432513 is an apocalyptic number.

It is an amenable number.

105432513 is a deficient number, since it is larger than the sum of its proper divisors (37528383).

105432513 is a wasteful number, since it uses less digits than its factorization.

105432513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

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

The square root of 105432513 is about 10268.0335507827. The cubic root of 105432513 is about 472.4162769830.

The spelling of 105432513 in words is "one hundred five million, four hundred thirty-two thousand, five hundred thirteen".