2135975 has 6 divisors (see below), whose sum is σ = 2648640. Its totient is φ = 1708760.

The previous prime is 2135971. The next prime is 2136011. The reversal of 2135975 is 5795312.

2135975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2135975 - 2² = 2135971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135971) 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 5 ways as a sum of consecutive naturals, for example, 42695 + ... + 42744.

It is an arithmetic number, because the mean of its divisors is an integer number (441440).

2^2135975 is an apocalyptic number.

2135975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2135975 is a deficient number, since it is larger than the sum of its proper divisors (512665).

2135975 is an equidigital number, since it uses as much as digits as its factorization.

2135975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85449 (or 85444 counting only the distinct ones).

The product of its digits is 9450, while the sum is 32.

The square root of 2135975 is about 1461.4975196695. The cubic root of 2135975 is about 128.7850314704.

The spelling of 2135975 in words is "two million, one hundred thirty-five thousand, nine hundred seventy-five".