2105432513 has 2 divisors, whose sum is σ = 2105432514. Its totient is φ = 2105432512.

The previous prime is 2105432501. The next prime is 2105432519. The reversal of 2105432513 is 3152345012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2098372864 + 7059649 = 45808^2 + 2657^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105432513 - 2¹² = 2105428417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105432519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052716256 + 1052716257.

It is an arithmetic number, because the mean of its divisors is an integer number (1052716257).

Almost surely, 2^2105432513 is an apocalyptic number.

It is an amenable number.

2105432513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105432513 is an equidigital number, since it uses as much as digits as its factorization.

2105432513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2105432513 is about 45884.9922414726. The cubic root of 2105432513 is about 1281.6824622456.

Adding to 2105432513 its reverse (3152345012), we get a palindrome (5257777525).

The spelling of 2105432513 in words is "two billion, one hundred five million, four hundred thirty-two thousand, five hundred thirteen".