2105004975 has 48 divisors (see below), whose sum is σ = 3569584032. Its totient is φ = 1094146560.

The previous prime is 2105004973. The next prime is 2105004977. The reversal of 2105004975 is 5794005012.

It is an interprime number because it is at equal distance from previous prime (2105004973) and next prime (2105004977).

It is not a de Polignac number, because 2105004975 - 2¹ = 2105004973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105004973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 622389 + ... + 625761.

It is an arithmetic number, because the mean of its divisors is an integer number (74366334).

Almost surely, 2^2105004975 is an apocalyptic number.

2105004975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2105004975 is a deficient number, since it is larger than the sum of its proper divisors (1464579057).

2105004975 is a wasteful number, since it uses less digits than its factorization.

2105004975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2105004975 is about 45880.3332049801. Note that the first 3 decimals coincide. The cubic root of 2105004975 is about 1281.5957017584.

Adding to 2105004975 its reverse (5794005012), we get a palindrome (7899009987).

The spelling of 2105004975 in words is "two billion, one hundred five million, four thousand, nine hundred seventy-five".